The ripples suggest that the lake was free of ice at one point.

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...

We often forget how wonderful it is that life exists, and what a special and unique phenomenon it is. As far as we know, ours ...

Explore the fascinating evolution of Mars atmosphere. Discover how it transformed, becoming trapped in its crust's clay ...

Elon Musk wants to colonize Mars. In fact, the billionaire says it could happen within four years. He also says we could be ...

The camera looks directly down into the top of a sample tube to take close-up pictures of the ... rover has just scooped up from the surface of Mars. “This sample is a one-of-a-kind treasure ...

Nicolas Randazzo is proud of his unusual title: Mars 2020 ... make-up of rocks. High-resolution cameras MastCam-Z and Supercam take zoomed in and out views of the Martian surface, atmosphere ...

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. More than 15,000 ...

presidents have repeatedly promised future missions to Mars, holding this up as a key goal for human space exploration. Never before, though, has a president had such a close relationship with a ...

The warm, wet periods were driven by crustal hydration, or water being lost to the ground, which supplied enough hydrogen to build up ... Mars lacks plate tectonics, unlike Earth, the surface ...