NASA is facing a tight budget and wants to wrap up the Chandra X-ray Observatory, but astronomers don't want to see the 25-year-old X-ray space telescope mission go.
Problems with the capsule's propulsion system, used to maneuver the spacecraft, prompted NASA and Boeing to delay the flight home several times while they analyzed the trouble.
Space Camp is a new series about all the weird, wonderful things happening in the universe by NPR's science podcast Short Wave. Check out the rest of the series.
A NASA simulation accidentally aired on the space agency's livestream. NASA said all crew members are healthy, safe and preparing for a spacewalk scheduled for Thursday.
Awestruck, Anders snapped the timeless shot of the glorious blue and white planet rising over the horizon of the gray and lifeless moon, and "how tiny and fragile and precious and finite it is."
A helium leak pushed back a planned launch to May 25. Boeing's program that would shuttle astronauts to and from the International Space Station has been plagued with problems.
When a private space traveler said he wanted to take a SpaceX capsule on a mission to improve the aging Hubble telescope, NASA studied the options. Internal emails show concern about the risk.
NASA Administrator Bill Nelson told NPR he sees the U.S. in an urgent race with China to find water on the moon, and that he trusts SpaceX, despite Elon Musk's increasingly controversial profile.