The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

NASA astronaut Jonny Kim and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky landed on Russia's Soyuz MS-27 on Dec.

Cradled in the nose of a high-altitude research airplane, a new NASA sensor has taken to the skies to help geoscientists map ...

An AI start-up has found a vulnerability in security software protecting NASA's ground control communications with satellites ...

After a yearslong series of setbacks, NASA's Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

NASA's Perseverance rover has for the first time helped scientists confirm that electrical sparks often ignite within ...

NASA astronaut Jonny Kim flew home from the International Space Station alongside two Roscosmos cosmonauts landing in the ...

New observations show the comet's two tails and rising activity.

The U.S. Senate will hold its second hearing to consider billionaire tech entrepreneur Jared Isaacman's nomination for NASA ...

Private billionaire SpaceX astronaut Jared Isaacman appeared before a Senate committee Dec. 3 for consideration as NASA ...

Despite being hidden by the glare of the sun, plenty of space-based cameras are snapping photos of 3I/ATLAS that you should ...