Scientists are increasingly convinced that so-called water worlds—planets covered in vast oceans—may be the most promising places to search for alien life. With conditions that might resemble Earth's ...

Scientists believe they have discovered the strongest signs yet of alien life on a distant ocean-covered planet far beyond our solar system. The possible landmark discovery was made by scientists ...

If such worlds exist, they could be among the most common life-bearing planets in the galaxy. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.