This new floating rock is only expected to orbit the Earth once, beginning its trip Sept. 29 before breaking off from its ...

A recently discovered asteroid will soon become a quasi-satellite of Earth as it loops around our planet over the next two ...

A pair of asteroid dynamics researchers from Universidad Complutense de Madrid Ciudad Universitaria have found that a small ...

But Earth's gravitational pull won't hold it for long. By Nov. 25, the mini-moon is expected to break free and be once again on its way through space. Here's what to know about our new, temporary ...

Earth will soon have a visitor — and not of the extraterrestrial kind. Astronomers found a small asteroid that will orbit our planet this fall, becoming a "mini-moon" temporarily.

Rocket Lab is set to launch an Electron rocket with 25 new satellites part of a growing orbital constellation in what will be ...

The Earth has pulled in moons of this type before but none have ever stuck around as long as the moon we know.

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the planet.