A moon tree is landing in Pittsburgh's Riverview Park in front of the Allegheny Observatory. Seeds of multiple tree species ...

Earth is getting a visitor in our orbit for a couple of months.It's nowhere near the size of our actual moon, but they're ...

The asteroid is expected to make a “horseshoe path” around Earth over the next two months, researchers wrote in a recent ...

A new potential NASA mission involves firing sensor bullets into the lunar surface - quite literally shooting the moon.

Here’s what to know about our new, temporary celestial neighbor. Earth has a large gravitational pull. So it’s not uncommon ...

Earth's orbit will capture a bus-sized asteroid later this month, giving us a second moon for about two months.

Matthew Dominick continues to wow us with impressive astrophotography from aboard the International Space Station.

(CNN) — Earth is about to gain a new “mini-moon,” but it won’t stay around for long. The newly discovered asteroid, named ...

Though astronomers say the latest mini-moon is benign, researchers are training their eyes on the skies for more dramatic ...

Medically evacuating an astronaut from space is difficult and expensive, and a new model predicts that one in three ...

The asteroid was discovered in August and is set to become a mini-moon, spinning around Earth in a horseshoe shape for about ...

A newly discovered asteroid, also referred to as a mini-moon or second moon, is set to enter Earth's orbit temporarily this ...