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.

Four planets will be in the parade in January while seven will align in February. Here's how to see the events.

BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

East Lancashire stargazers will be treated to an astrological phenomenon this week thanks to the rare alignment of six planets.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

New research has revealed that Hot Jupiters do not always push away or destroy nearby planets during their migration. This ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

A private U.S. spacecraft has captured stunning images of Earth one week into its flight. Still circling Earth, Firefly ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...