rEvolution - Step by Step

NASA just announced its first astronauts for commercial crew vehicles. Other entities are courting the companies as well, hoping to bring tourists into space just behind the government astronauts. How close are we to flying tourists?

“Ask a Spaceman” is live for the first time on Facebook — and astrophysicist Paul Sutter jumps right into it with a trip to Pluto.

Water and liquid rubies may exist within the nightside clouds of distant Jupiter-like exoplanets, but they melt in the heat of the planets’ scorchingly hot bright sides, according to NASA.

The globular cluster Omega Centauri hosts an estimated 10 million stars, but they may be too tightly packed to hold onto habitable planets, a new study suggests.

Two Russian cosmonauts will conduct a 6-hour spacewalk today (Aug. 15) to launch small satellites and take care of a couple scientific tasks.

Assimilate this! A beloved “Star Trek” Klingon character inspires real-life science on board the International Space Station.

SpaceX recently invited journalists to its headquarters here in Southern California to get an up-close look at the new Crew Dragon capsule. Here’s what Space.com’s Mike Wall saw.

On Aug. 15, 1977, astronomers using Ohio State University’s Big Ear radio telescope detected the famous “Wow!” signal. See how it happened in our On This Day in Space video series.

The U.S. Air Force’s X-37B miniature space plane has winged past 340 days of flight performing secretive duties during the program’s fifth flight.

Planet watchers are in for a special show this week, as the bright celestial bodies Venus and Jupiter shine in the sky alongside the crescent moon. You can catch the show tonight (Aug. 15) and tomorrow (Aug. 16) — as long as the skies are clear.

A Russian satellite that launched to Earth orbit last October has been behaving oddly, raising the possibility that the craft could be some sort of space weapon, a U.S. diplomat warned yesterday (Aug. 14).

For the first time ever, astronomers have found iron and titanium in the atmosphere of a planet outside the solar system. The exoplanet, named KELT-9b, is the hottest alien world ever discovered.

Earth has a habit of picking up, and later discarding, small companions called “minimoons,” and they could help scientists solve the mysteries of asteroids.

Lockheed Martin has been involved in aviation and space exploration for about 100 years. Projects include the Hubble Space Telescope, Atlas and Titan rockets and the Orion spacecraft.

Lockheed Martin has been involved in aviation and space exploration for about 100 years.

Today (Aug. 13), President Donald Trump signed the John S. McCain National Defense Authorization Act, a $717 billion defense-authorization act that will guide military spending and focus in the year to come.

NASA’s Chief Scientist, Dr Jim Green, speaks to Kepler scientist Jon Jenkins about hunting exoplanets.

The nebula of a dying star has a “inside-out” appearance, scientists announced in a new study. And this may be the outcome that awaits our sun.

SpaceX recently invited reporters to its headquarters to take a look at the new Crew Dragon capsule, which is scheduled to start flying astronauts to and from the space station next year. Here’s what Space.com’s Mike Wall saw.

The launch of NASA’s $1.5 billion Parker Solar Probe atop a Delta IV Heavy rocket was spectacular. Here’s what it was like to see it in person.

On Aug. 14, 1992, a meteorite entered the atmosphere over Mbale, Uganda and exploded into hundreds of pieces! See how it happened in our On This Day in Space video series.

A new image of a solar eclipse will have you seeing double.

NASA scientists are venturing into the ocean’s “twilight zone” to explore how phytoplankton are affecting Earth’s climate.

The first crewed flight of SpaceX’s new astronaut taxi is less than a year away, and its participants can’t wait to get off the ground.

In this star-speckled photo of the night sky, the Andromeda galaxy rises above a puddle of acid water in Achada do Gamo, part of the Dark Sky Alqueva Reserve near Mértola, Portugal.

The astrophysicist is in: In the new Facebook Watch series “Ask a Spaceman,” pro explainer (and Space.com columnist) Paul Sutter answers your questions about the strangest corners of the universe.

An Original Series character returns for Star Trek: Discovery season 2.

An Original Series character returns for Star Trek: Discovery season 2.

A memento flown by the astronauts on the first moon landing has been recreated for the first time in commemoration of the 50th anniversary of the historic NASA mission.

After decades of dreaming and years of construction, NASA’s Parker Solar Probe is safely on its way to flying seven times closer to the sun than any mission has before.

Russia has announced a new class of cosmonaut trainees, including the younger brother of a crew member now on board the International Space Station.

Jupiter’s fifth moon is the most volcanically active body in the solar system.

Watch how the land in Southern California seems to breathe water.

Sound has negative mass, which means it drifts upward very slowly, a new study shows.

NASA’s Juno spacecraft has been orbiting Jupiter since 2016, beaming back spectacular pictures of the largest planet in our solar system. See those amazing Jupiter photos in our mission gallery here.

On Aug. 13, 2014, a company called DigitalGlobe launched what was then the sharpest-eyed satellite of all time. See how it happened in our On This Day in Space video series.

Following the announcement that Jean-Luc Picard is returning in a new “Star Trek” series, we look at some possible directions that the new show might take.

See photos of the Perseid meteor shower of 2018 — featuring fireballs, Mars and the Milky Way!

Scientists think rocks from space may be responsible for the very oldest rocks on Earth.

Brilliant displays of Perseid meteors lit up the heavens this past weekend as the annual Perseid meteor shower reached its peak.

On Aug. 12, 2005, NASA launched its Mars Reconnaissance Orbiter (MRO) mission. See how it happened in our On This Day in Space video series.

NASA’s spectacular Parker Solar Probe launch to the sun today (Aug. 12) has scientists over the moon. Here’s why they’re so thrilled.

A team of scientists are hoping to see one of the year’s best meteor showers from one of the most scenic places on Earth: Meteor Crater.

NASA is responding to the growing interest in, and capabilities of, small satellites for science applications with an initiative that will spend $100 million a year on a series of projects.

Stellar Exploration, a space technology company based in San Luis Obispo, California, is in the midst of qualification testing of a miniature propulsion system for planetary microsatellite missions.

Nearly a year after the Great American Total Solar Eclipse put on a show for millions of skywatchers across the U.S., the moon again made its way in front of the sun for viewers in a different part of the world.

The 2018 Perseid meteor shower peaks overnight tonight (Aug. 12-13) but you’ll need dark, clear skies to see it. Here’s where you can watch online.

Jupiter’s clouds are fascinating for so many reasons: Their patterns resemble the mesmerizing lines of abstract art, they form storms that last over a century, and they may help us understand distant worlds.

Red streaks of energized gas left over from an ancient supernova explosion branch across the cosmos in this stellar new photo from NASA’s Spitzer Space Telescope.

Right now, as you read this very text, your DNA is getting sliced up by tiny, invisible bullets.

NASA’s historic and audacious Parker Solar Probe mission, which will travel faster and get closer to the sun than any other spacecraft, lifted off early this morning (Aug. 12) from Florida.

NASA’s Parker Solar Probe launched on a mission to touch the sun on Aug. 12, 2018, riding atop a ULA Delta IV Heavy rocket from Cape Canaveral Air Force Station in Florida. See photos from the dazzling nighttime launch here!

Actors Chris Pine and Chris Hemsworth both walk away from negotiations for the next “Star Trek” movie, putting its future in jeopardy, The Hollywood Reporter reports.

Undersecretary of Defense for Research and Engineering Michael Griffin: “Our response has to be a proliferated space sensor layer, possibly based off commercial space developments.”

You can now 3D print your own miniature version of NASA’s flying telescope, the Stratospheric Observatory for Infrared Astronomy (SOFIA).

A night scene captured from Pulo do Lobo, a waterfall located in the Dark Sky Alqueva Reserve near Mértola, Portugal, shows the arc of the winter Milky Way sprinkled with stars and other deep-sky objects that glow in shades of red, violet and blue.

It’s an excellent year to see the Perseid meteor shower, but clouds and smoke may obstruct the view for skywatchers in much of the U.S.

The Perseids meteor shower arises out of the debris of Comet Swift-Tuttle, which last made a pass by Earth in 1992.

NASA’s $1.5 billion Parker Solar Probe will have to wait at least another day to launch to the sun after a last-minute glitch forced the space agency to postpone the liftoff for at least 24 hours.

After decades of diligent science work, we at least know what’s inside the sun, even if we don’t always understand how our star works.

After decades of diligent science work, we at least know what’s inside the sun, even if we don’t always understand how our star works.

This weekend brings us one of 2018’s best astronomical events: the Perseid meteor shower. Here’s how to see it with the help of mobile apps.

The new moon of August comes on Saturday the 11th this year, perfectly timed to bring dark, moonless nights around the peak of the Perseid meteor shower.

NASA’s Parker Solar Probe, set to launch this weekend, is the first spacecraft ever named after someone still living: Eugene Parker, the groundbreaking sun scientist whose theories redefined how we understand our nearest star.

A United Launch Alliance Delta IV Heavy rocket topped with NASA’s Parker Solar Probe rolled out to its launch pad here at Cape Canaveral Air Force Station this evening (Aug. 10) ahead of its planned predawn launch tomorrow morning (Aug. 11).

There’s a vast “hydrogen wall” at the edge of our solar system, and NASA scientists think their New Horizons spacecraft can see it.

The biggest hurdle to mounting an interstellar mission may be humanity’s short attention span.

The biggest hurdle to mounting an interstellar mission may be humanity’s short attention span.

The sun will come out tomorrow — but before it does, the Parker Solar Probe will lift off from Florida aboard a massive rocket, on its way to learn our star’s secrets.

See images of NASA’s Parker Solar Probe mission, which the agency plans to launch in July 2018. The spacecraft will get seven times closer to the sun than any probe ever has.

A partial solar eclipse on Aug. 11, 2018 will be visible from most of Asia, far northern Europe, Iceland and Greenland, and northern Canada. Here’s what you need to know.

It’s never too late to do something for the first time — especially if that thing is seeing a rocket launch in person, and even more so if that rocket is carrying a mission named after you.

The United States might launch a Space Force, a new military branch, but how is this different from the Air Force Space Command?

On Aug. 11, NASA will launch its newest spacecraft, called the Parker Solar Probe, aboard a huge rocket. And by December 2024, that probe will become the fastest spacecraft ever.

Engineers with NASA’s Mars Exploration Rover program have been left hanging on like a yo-yo for 60 days now, after Opportunity lost power during a global dust storm.

On Aug. 9, 1976, the Soviet space program launched its last moon mission: Luna 24. See how it happened in our On This Day in Space video series.

This weekend, NASA’s Parker Solar Probe will boldly go where no spacecraft has dared go before — up close and personal with the sun — lifting off with its destination hidden and the sky dark.

I have an embarrassing confession to make, as the geek internet explodes over actor Patrick Stewart reprising his role as Jean-Luc Picard in a new CBS series. I never saw “Star Trek: The Next Generation” while it was on the air.

“Killjoys” fans, rejoice: Your favorite trio of space bounty hunters is now reliving its adventures on the streaming app VRV.

The Perseid meteor shower will burst into light this August as Earth passes through the long trail left by Comet Swift-Tuttle. This month, though, the moon may interfere with the show. Here’s how and when to see the Perseids.

Google is celebrating the accomplishments of the first known female Native American engineer, Mary G. Ross, today (Aug. 9) on the 110th anniversary of her birth.

Vice President Mike Pence on Thursday (Aug. 9) unveiled a detailed plan for the military Space Force proposed by President Donald Trump. If Congress agrees to establish it, the Space Force will be the sixth branch of the U.S. military.

A fireball that streaked across the sky above the Thule Air Base in Greenland on July 25 was notable for not only the 2.1 kilotons of energy it released but also the stir it caused on social media.

Callisto is thought to be a long dead world, with hardly any geologic activity on its surface. But an ocean may lie underground.

During a speech at the Pentagon today (Aug. 9), Vice President Mike Pence will outline the administration’s plan to create a new branch of the military focused on defending the ultimate high ground, The Washington Post reported.

On Aug. 9, 1976, the Soviet space program launched its last moon mission: Luna 24. See how it happened in our On This Day in Space video series.

Get ready for the Perseid meteor shower this weekend. The stunning event will appear in skies across the country, and we’re traveling to perhaps the best location to watch the shower: the recently accredited Central Idaho Dark Sky Reserve.

We see it every day, but our sun still poses countless mysteries. But not for long, if NASA’s Parker Solar Probe has its way.

General relativity is one of the greatest feats of human understanding, made all the more impressive by the fact that it sprang from the fertile imagination and dogged mathematical brilliance of just one mind.

NASA has awarded contracts totaling $44 million to help develop 10 “tipping point technologies” that could spur greater space exploration and development.

If the United States creates a Space Force, what should its logo look like?

After being reclassified as a Category 3 hurricane, Hurricane Hector will pass just south of Hawaii, causing some pretty rough surf for the islands — and astronauts and NASA satellites have been tracking the storm from space.

NASA data is helping video game companies create hyper-realistic snow-capped mountains for you to shred on.

How well does an astronaut’s spacesuit fit? Richard Fineman wants to know.