Strange volcanic structure found on moon's south pole

The structure was found on an area of the moon called the Mafic Mound, which stands 2600 feet tall and is 47 miles across

Sign of alien life? Kepler telescope spots strange star

Astronomers are curious about this star because it is old and demonstrating an unusual flickering behavior

Cassini gets close encounter with Saturn's moon Enceladus

Scientists will be hunting for any signs of ancient geological activity similar to the geyser-spouting, tiger-stripe fractures in the moon's south polar region.

Hubble space telescope captures stunning image of barred spiral galaxy

The Hubble space telescope has captured a stunning image of a faraway galaxy known as a barred spiral.

Putting astronauts on Mars: NASA lays out three-phase plan

The path to Mars goes through the moon — or the region of space near the moon, anyway.

NASA confirms ancient lakes existed on Mars 2 to 3 billion years ago

Billions of years ago, there were lakes shimmering on Mars. That is the conclusion from the team behind NASA's Mars Science Laboratory/Curiosity, who used data from the Curiosity r...

NASA spacecraft discovers blue sky, red ice on Pluto

The sky over Pluto may not be sunny, but it's undoubtedly blue.

Martian sand dune resembles a massive leech

A leech appears to be crawling across the surface of Mars.

Draconid meteor shower: What you need to know

Tonight is the night to catch a glimpse of a shooting star. The rare opportunity for skywatchers comes Thursday and Friday with the annual Draconid meteor shower, which is caused b...

World View's balloon-based space tourism to lift off in 2017

A new type of space tourism is set to lift off two years from now, without the aid of a rocket.