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

The asteroid is about 33 feet (10 meters) across and poses no danger to Earth. It joins another known lunar asteroid ...

Earth's temporary asteroid friend last year was a chunk of its real moon that had been blasted into space thousands of years ...

Robotic vehicles from Firefly Aerospace of Texas and Ispace of Japan parted ways early Wednesday after being launched on the ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

A near-Earth object was likely ejected into space after an impact thousands of years ago. Now it could contribute new ...

On Jan. 4, Saturn briefly hid behind the crescent moon, escaping the view of skywatchers in Europe, Africa, western Russia ...

Firefly's "Blue Moon" and ispace's "Resilience" are the latest in an ongoing push to gain private-sector experience exploring ...

Blue Ghost's main mission will be research. It will hang out in Earth's orbit for 25 days taking measurements and waiting for ...

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

Tonight (Jan. 13), bright Mars will disappear behind the full Wolf Moon for several hours before reappearing on the other ...

Many hardcore astronomers actually prefer to view the moon during its crescent and gibbous phases because the brightness ...