Science Feb 03 NASA delays astronauts' lunar trip until March after rocket's hydrogen leaks mar fueling test Officials say the delay will allow the launch team to conduct another practice countdown before committing four astronauts to humanity's first moonshot in more than half a century.
Science Feb 02 NASA rocket that will return astronauts to the moon hit by fuel leak during practice countdown If the fueling demo can be completed successfully on time, NASA could launch commander Reid Wiseman and his crew to the moon as soon as Sunday.
Science Jan 21 WATCH: Returned astronauts say ultrasound machine 'really helped' during medical crisis During their first public appearance since returning to Earth, the four astronauts refused Wednesday to say which one of them needed medical attention and for what reason. It was NASA's first medical evacuation in 65 years of human spaceflight.
Science Jan 15 Ailing astronaut returns to Earth from space station early in NASA's first medical evacuation It was an unexpected finish to a mission that began in August and left the International Space Station with only one American and two Russians on board.
Science Jan 14 NASA sends 4 astronauts back to Earth in first medical evacuation An astronaut in need of doctors' care departed the International Space Station with three crewmates on Wednesday in NASA's first medical evacuation.
Science Dec 20 German engineer becomes 1st wheelchair user to blast into space Severely injured in a mountain bike accident seven years ago, Michaela Benthaus became the first wheelchair user in space, launching from West Texas with Jeff Bezos’ company Blue Origin.
Science Dec 17 Saturn's moon Titan may not have a buried ocean as suspected, study suggests New research suggests Titan instead may hold deep layers of ice and slush more akin to Earth's polar seas instead of a buried ocean as long suspected.
Science Dec 15 Interstellar comet 3I/Atlas will make closest approach to Earth on Friday Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as close as it will get on its grand tour of the solar system.
Science Dec 10 NASA loses contact with Maven spacecraft orbiting Mars for the past decade NASA said this week that it was working fine before it went behind the red planet. When it appeared again, there was only silence.
Nation Dec 03 WATCH: Billionaire spacewalker Jared Isaacman back before Senate seeking NASA's top job Isaacman appeared before the Commerce, Science and Transportation Committee on Wednesday, eight months after his first nomination hearing.