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

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

The Pope's last day, Easter Sunday, was marked by an appearance on the Loggia balcony of St. Peter's Basilica, meeting the ...

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 ...

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to ...

NASAs Curiosity rover has discovered siderite, a carbonate mineral, in Mars Gale Crater, offering strong evidence that the ...

The researchers used the software to model the evolution of the landscape on synthetic terrain that resembles Mars close to its equator. In some cases, the group added water to that terrain from ...

Mars may once have had a relatively warm and wet climate conducive to flowing water, rain and snow, producing a terrain much ...

While it's anyone's guess what famous stars will soon be spotted in Louisville and Churchill Downs, here's who attended last ...

NASA's Perseverance rover captured rare footage of a massive Martian dust devil absorbing another, providing vital insights ...