Frank Rubio moved past NASA astronaut Mark Vande Hei's 355-day record on the way to spending more than a full year in space.
The National Reconnaissance Office says the "Silent Barker" satellites will keep tabs on potentially threatening adversary spacecraft.
Picking up the pace of commercial operations, Virgin Galactic is now launching piloted suborbital spaceflights every month.
None of the asteroids pose any threat to Earth, according to NASA's Asteroid Watch dashboard.
A fireball streaked across the sky Sunday night, speeding across several U.S. states, including Maryland and Pennsylvania.
The Crew Dragon put on a spectacular show as it descended across Florida in a blaze of super-heated plasma.
A SpaceX Crew Dragon carrying a four-man crew headed home in the final chapter of a long-duration station stay.
The powerful James Webb Space Telescope revealed "crescent-like structures" within the SN 1987A supernova.
The crash-down of the Luna-25 probe was a major disappointment for the Russian space program, and it appears to have left a mark.
After a failed 2019 attempt to land on the moon, India has joined the U.S., the Soviet Union and China as the 4th country to achieve the milestone.
NASA shared video from the International Space Station as it flew over Hurricane Idalia, which was heading toward Florida on Tuesday. Idalia is expected to grow into a Category 3 hurricane before making landfall on Wednesday. (There is no audio on this footage from the space station.)
Hurricane Idalia is expected to make landfall on Florida's Gulf Coast on Wednesday.
The space agency is exploring the possibility of a commercial passenger jet that could fly up to "four times faster" than today's airliners.
A spectrometer launched into orbit in the spring is collecting data on air pollution over North America.
A SpaceX capsule docked with the ISS on Sunday, delivering several new crewmembers for a six-month mission.
