Look to the eastern sky late Thursday, and a clear horizon will show you this unusual, grinning planet alignment.

Images of a supposed "Smiley Face Moon" have been popping up on social media. Here's what's real about this week's sky show.

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

Stranded astronauts and celebrity space tourism have piqued interest in space — and a photography exhibition in the museum is ...

Be on the lookout for shooting stars and fireballs as two meteor showers — the Lyrids and the Eta Aquarids — overlap through ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

In celebration of the Hubble Space Telescope's 35 years in Earth orbit, NASA is releasing an assortment of compelling images ...

Scientists and space explorers have been on the hunt to determine where and how much ice is present on the moon. Water ice ...