Bleached clay rocks found on the Martian surface suggest that the Red Planet was once home to heavy rainfall and tropical ...

Physicists found that clocks on Mars will tick 477 microseconds (millionths of a second) faster than on Earth per day, on ...

This temporal lag is a direct consequence of Albert Einstein’s Theory of General Relativity. The rule is simple: the weaker ...

Are we alone in the universe? This must be the deepest question in human history. Since its creation, NASA and other space ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

On November 26, 2011, the NASA Curiosity rover launched to Mars. Curiosity was the biggest and most powerful rover anyone had ...

NASA's Perseverance rover found rocks on Mars that on Earth usually form in tropical environments. That Mars once hosted ...

Rocks found on Mars may provide the strongest evidence yet of past life on the Red Planet, but more testing is needed to back up those findings. Until the samples are retrieved by robotic spacecraft ...

Rocks that stood out as light-colored dots on the reddish-orange surface of Mars now are the latest evidence that areas of the small planet may have once supported wet oases with humid climates and ...

Despite being one of the most promising places to explore for signs of life, "special regions" and "uncertain regions" may be ...