Jupiter’s moon Europa is covered in strange pairs of parallel ridges. Now, researchers have found a similar feature in Greenland and used it to unravel how such ridges form – which may help us ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. On Jupiter’s moon ...

Close-up images of a region of Mars scientists had previously only seen from orbit have revealed “dramatic evidence” of where water once flowed on the Red Planet. The new images taken by NASA’s ...

Liquid water might abound just below the ice-covered surface of Jupiter's moon. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ridge etched ...

NASA's Curiosity rover has captured the first close-up images of a part of Mars that scientists say provide evidence of how water once flowed on the red planet. There were once rivers, lakes and ...