Science
NASA's Aging Swift Space Telescope Plunges Back to Earth After 22 Years
The 1.5-ton observatory is expected to make an uncontrolled atmospheric reentry, with most of its structure burning up upon descent.
NASA
3 stories about this topic.
Science
Ancient Martian Meteorite Found in Sahara Offers Clues to Early Water
Researchers have identified a nearly two-pound rock recovered from Mali as a 4.1-billion-year-old piece of Mars.
Science
NASA and SpaceX Face Uncertainties Over Artemis Lunar Refueling Plan
Disagreements remain regarding the number of tanker launches required for the Starship lunar mission as the 2028 target approaches.