This artist's concept animation shows a brown dwarf with bands of clouds, thought to resemble those seen on Neptune a...

One year ago, astronomers announced the discovery that seven roughly Earth-sized worlds orbited around the nearby sta...

May 3rd, 2017 marks the 5,000th day of NASA's Spitzer Space Telescope mission. This video gives us a detailed look at...

The Wild Temperature Swings of an Exoplanet The exoplanet HD80606 b spends most of its time far from its star, but every 111 days it swings in feverishly close. ... Watch now