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

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

The International Space Station "has served its purpose" and should be deorbited "as soon as possible," SpaceX chief and ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

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 ...

Every Martian year (which last 686.98 Earth days), the red planet experiences regional dust storms that coincide with summer ...

Elon Musk wants to colonize Mars. In fact, the billionaire says it could happen within four years. He also says we could be living in a self-sustaining city on the red planet in the next 20 years.

The Philippine Mars' final flight ended in Lake Pleasant, Arizona, where the aircraft will be displayed. See photos of the ...

Republican U.S. Rep. Brian Babin of Texas, who chairs the House Science, Space and Technology Committee under which ...

"Cartilage damage is a really major issue that space agencies need to address despite how very poorly understood it is." ...

Elon Musk advocated for "deorbiting" the International Space Station "as soon as possible," suggesting "2 years from now." He said the space station "has served its purpose." ...