Astronomers have found the roundest object in the universe

The sun may look round from our viewing angle but it -- like most stars -- aren't as spherical as they seem. It's actually 10 kilometers wider at its equator than it is at its poles. This is due to stars' rate of spin and variances within their magne...

Rosetta Spots Dust Jets emerging from Sinkholes on Comet 67P


ESA's Rosetta has been monitoring Comet 67P/Churyumov–Gerasimenko’s activity for over a year, watching how its halo of dust and gas grows as the comet moves closer to the Sun along its orbit.Now a...