New research challenges the meteorite hypothesis, suggesting Earth's water may be native, originating from the solar nebula rather than asteroidal impacts.

Tesla and SpaceX CEO Elon Musk, wearing a shirt that says “Occupy Mars,” and Republican vice presidential nominee Sen. JD ...

Billions of years ago, Mars was once relatively warm and wet, with rain or snow falling from the sky and rushing rivers that ...

On a windswept plain 140 million miles from Earth, a dark speck moves across the ochre sands of Mars. For more than a decade, ...

The detection of life beyond Earth would be one of the most profound discoveries in the history of science. The Milky Way ...

A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence ...

Despite its current dry and cold state, evidence suggests ancient Mars had significant amounts of liquid water in the form of ...

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

A rock containing many smaller round stones could indicate that there was once a large amount of liquid water on the Red ...

Hyla Middle School science teacher Caroline Little will be one of eight teachers from across the United States to launch into ...

NASA’s Mars Reconnaissance Orbiter (MRO) has captured what’s believed to be the first orbital image of the Curiosity rover ...

"You could pull up Google Earth images of places like Utah, zoom out, and you’d see the similarities to Mars." ...