In the latest discovery to come from the New Horizons mission, it now seems that Pluto has hills of water ice that "float" across its surface

NASA GODDARD SPACE FLIGHT CENTER, MD - All 18 of the primary mirrors have been fully installed onto the flight structure of what will become the biggest and most powerful space telescope ever built by humankind - NASA's James Webb Space Telescope (JWST).

It's official: on February 11, 10:30 EST, there will be a big press conference about gravitational waves by the people running the gravitational wave detector LIGO.

An Arizona State University research team hypothesizes that strange "cauliflower-shaped" rocks discovered by the Spirit Rover in 2008 may have been sculpted by microbes.

KENNEDY SPACE CENTER, FL - NASA astronaut Edgar Mitchell, the 6th man to walk on the Moon, passed away on Thursday, Feb. 4, on the eve of the 45th anniversary of his Apollo 14 mission lunar landing.

Here are some cool things to look for in the night sky this coming week including many passes of the space station, a curious curlicue in Orion and the fab five-planet alignment at dawn.

On March 5th, asteroid 2013 TX68 could be making a close flyby Earth. But NASA's asteroid watchers insist there's no reason to worry.

CAPE CANAVERAL AIR FORCE STATION - Despite howling winds and unseasonably frigid temperatures in the 'sunshine state', United Launch Alliance's workhorse Atlas V rocket successfully blasted off this morning, Friday, Feb 5, and delivered the final GPS satellite in the IIF series to orbit for the US Air Force.

Humans have been looking up at the stars and finding patterns for millennia. Today, there are 88 recognized constellations, each with their own story.

Far from being a deflector shield that protected Earth from comets, a new study shows that Jupiter may have directed planetesimals, with their payload of life-friendly chemicals, into Earth itself.

CAPE CANAVERAL AIR FORCE STATION - The first launch of 2016 from Cape Canaveral, Florida, is poised for blastoff on Friday, Feb. 5, and features a United Launch Alliance Atlas V rocket carrying a US Air Force payload that will fortify the GPS constellation of navigation satellites that is critically important to military and civilian users on a 24/7 basis.

This image of a jet of material streaming out of a black hole 900 million light years from Earth, required 16 telescopes working together to capture.

China has released hundreds of photos from Chang'e 3 lunar lander and Yutu rover.

Hunting the elusive counter glow known as the gegenschein takes sharp eyes, dark skies, persistence and patience. This weekend provides an excellent chance to check this one off your astronomical life list, as the Moon heads toward New phase. Here are our tips on sighting the gegenschein, along with facts, history and more.