For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

NASA’s space-faring probe Lucy is set have a close encounter with an oddly shaped asteroid more than 100 million miles from ...

New research suggests ancient Mars may have been warm and wet, with rainfall or snowmelt carving its iconic valleys.

The HiRise camera is living up to its name, capturing a rare look at the veteran rover from way up in Martian orbit.

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

Such discoveries suggest water once flowed beneath Mars' surface. On Earth, sulfate minerals can preserve microscopic fossils of microbes. Finding similar structures on Mars could indicate past life.

WASHINGTON — A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence of the planet's warmer and wetter ancient past when it ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

X-ray radiation levels in the chamber were similar to those on the surface of Mars when there is strong solar activity, although solar flares and fluctuations in solar wind make actual Martian ...

Now NASA may have helped find it thanks to a signs of a carbon cycle beneath Mars’ dusty surface. It’s hard ... signs of life on Mars (Picture: Getty Images) The paper’s lead author, Ben ...

Mars once had a thick atmosphere full of carbon dioxide capable of trapping heat in a Martian "greenhouse effect." This enabled liquid water to exist on a warm surface. But today, Mars is a dry and ...