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 ...