Salt might play a key role in the mysterious behavior of methane seeps on Mars. Since 2012, NASA's Curiosity rover has ...

A new theory suggests that NASA's Curiosity rover could be "burping" the surface of the Red Planet, releasing methane trapped ...

An orbiter captured signs of clustered dark dots on Mars' Inca City that resemble spiders, which formed due to seasonal ...

Here’s what else you need to know to Get Up to Speed and On with Your Day . Former President Donald Trump is set to return to ...