New exoplanet is proof that gas giants start life as dusty behemoths

The atmosphere of a young exoplanet didn't fit any of our existing models for what gas giants should look like. But when astronomers added huge dust clouds, it was a perfect fit, perhaps revealing a larger truth about gas giants. » 9/02/10 9:30am 9/02/10 9:30am

First Pictures Of Four Alien Planets!

Meet the neighbors. The Hubble Space Telescope has managed to snap our first picture of a planet outside our solar system, only 25 light years away in the constellation Piscis Australis. The planet Fomalhaut-B orbits the star Fomalhaut, and it's a balmy 260 degrees (Fahrenheit), cooler than other exo-planets. And… » 11/13/08 3:27pm 11/13/08 3:27pm