Detective astronomers have discovered at least one unseen alien planet, and possibly another, around a distant star by observing the odd behavior of a planet already known to orbit the same star. The ...

A Canadian-led team took a closer look and revealed how bizarre this 'super-puff' exoplanet is We've heard of super-Earths, mini-Neptunes, and hot Jupiters, but how about 'cotton-candy' planets? New ...

Over a decade ago, astronomers spotted an alien exoplanet orbiting around a nearby star, but it seems that so-called Fomalhaut b may not have been a planet at all. Instead, they may have been witness ...