Venus Has Space Weather Explosions That Are Larger Than the Planet

A common space weather phenomenon on the outskirts of the magnetosphere, the magnetic bubble that surrounds the earth (and protects the surface of the planet from solar radiation) are "hot flow anomalies." These are, in effect, enormous explosions. NASA researchers recently discovered that the same phenomenon occurs… » 6/08/14 10:40am 6/08/14 10:40am

Mars’ Once Thick Atmosphere Now Kaput

At one time, Mars had a thick, protective atmosphere — possibly even cushier than Earth’s — but the bubble of gases mostly dissipated about 4 billion years ago and has never been replenished, new research shows. » 7/19/13 9:40am 7/19/13 9:40am

This massive Saturnian thunderbolt was so bright it was visible from…

It's not every day you witness a thunderstorm from space, let alone one on another planet, but the thunderstorm pictured here is an even rarer sight to behold. » 7/20/12 8:00am 7/20/12 8:00am

NASA has solved the mystery of Saturn's jet streams

Saturn's atmosphere is constantly swimming with turbulent jet streams — but where do they get their energy to form in the first place? This has been one of the biggest mysteries about Saturn for decades. » 6/27/12 1:11pm 6/27/12 1:11pm