As shocking as it sounds today, prior to the 1990s, scientists couldn't be certain that stars beyond the sun also had planets orbiting them. Since the discovery of the first extra-solar planet, or ...

"With a star tan, you'll be able to experience life on alien planets vicariously." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A few lucky ...

Finding life beyond the borders of our own planet. This remains the dream of every astronomer on the ball of rock we call our home, and the focus of dedicated missions ever since humanity ventured ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some have already been found. Thanks to rapidly advancing telescope technology, ...

The Kepler-22b reveal flips the storyline of the series. What started as a story about Earth going through a bizarre ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life. An illustration shows what ...