Astronomers may have just discovered a new class of planets

Located nearly 500 light-years away, ROXs 42Bb is a newly discovered object that astronomers are struggling to define — a unique celestial body that's challenging conventional notions about how planets and stars form. » 1/09/14 2:40pm 1/09/14 2:40pm

Hot Jupiters are the most astounding planets in the galaxy

They’re big, full of gas, and have a penchant for hanging out way too close to their parents. These “hot Jupiters” are among the most common extrasolar planets in the galaxy. Here’s what the latest science is telling us about these celestial wonders. » 8/21/13 10:09am 8/21/13 10:09am