Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

In a groundbreaking discovery, scientists have identified a ‘super-Earth’ less than 20 light-years away, which could potentially harbor extraterrestrial life. This exoplanet, six times larger than our ...

Three decades ago, in 1995, humankind discovered the first planet beyond the borders of our solar system. It's called 51 Pegasi b, and it spins around its main-sequence star (meaning not unlike our ...

"It was just a matter of time before we found them." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Thirty years ago, on Oct. 6, 1995, the very ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Sydney Chandler as Wendy in ...