An ailing astronaut is back on Earth. The crew of four returned Thursday, ending their space station mission more than a ...

One U.S. and two Russian astronauts remain aboard the orbiting lab, just 1 1/2 months into an eight-month mission that began ...

NASA completed its first medical evacuation early Thursday, when an ailing astronaut and three others splashed down in the ...

Harvard expert Avi Loeb claims the 3I/ATLAS comet's path is 'suspiciously' precise, sparking alien theories. NASA reveals the ...

NASA and SpaceX will oversee 4 astronauts’ return to Earth from space station due to a medical issue. They leave Jan. 14, ...

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

NASA's latest update on Perseverance shows how the Mars rover is holding up after five years and what that means for future ...

NASA’s Carruthers Geocorona Observatory has reached its target orbit, marking a major milestone for the mission. The ...

When charted on a graph, 2023, 2024 and 2025 “seemed to jump up,” said NOAA climate monitoring chief Russ Vose. When averaged ...

New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

The red planet was half blue, according to space scientists. A research team using images from cameras on Mars-orbiting ...