An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.

The small near-Earth asteroid 2024 PT5 has been creating a buzz among researchers. Discovered last year with the help of a ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

China’s "artificial sun" EAST fusion reactor smashed the previous record for sustained plasma, advancing nuclear fusion ...

Firefly Aerospace's Blue Ghost lander, a private spacecraft hired by NASA to take experiments to the moon, is flying laps ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

A private U.S. spacecraft bound for the moon has captured stunning images of Earth one week into its flight.

NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE), pronounced “Laddie,” was a 2013 robotic mission that was ...