Sending humans back to the moon won't require a big Apollo-style budget bump, NASA Administrator Jim Bridenstine said.
NASA has released its plan to handle the embattled Mars rover Opportunity, which has been silent since June — and some scientists intimately familiar with the project said the timeline doesn't do the grizzled robot justice.
The Defense Department is moving ahead with previously announced plans to stand up a four-star U.S. Space Command as part of a broader effort to reorganize military space forces, Defense Secretary James Mattis said Tuesday.
Many people enjoy gazing at the night sky, and once in a while, something up there appears to look right back at us.
On August 31, 1965, NASA's Super Guppy cargo plane took its first test flight. This over-sized aircraft looks a bit like a giant flying whale. See how it happened in our On This Day in Space video series.