Topic: Neptune (Planet)
Satellite Cassini flew through geyser plumes spouting from Enceladus and gathered ice crystals. These crystals are salt-rich, suggesting that a hidden salty sea lurks beneath Enceladus's icy cap.
06/22/2011 07:20 pm
NASA's Kepler spacecraft, which is searching for Earth-mass planets orbiting sun-like stars, is finding hundreds of candidate planets, and many more multi-planet systems than expected.
05/23/2011 05:36 pm
In Pictures Space photos of the day: Uranus
For the first time, scientists have confirmed an exoplanet that is rocky like Earth – not a gas giant. It's also 2,500 degrees F and denser than iron, so it's no candidate for life, say members of the team working with the planet-hunting Kepler spacecraft.
01/10/2011 05:09 pm
Proposed by British scientists as a joint effort of NASA and the European Space Agency, the mission would offer the first close-up view of Uranus in 25 years.
01/07/2011 02:41 pm
A burping black hole, water in weird places, and whopper-size new planets are some top space stories of 2010. If you have different discoveries on your list, post them in the comments section.
12/22/2010 01:54 pm
Cal Tech astronomer and author Mike Brown helped to demote Pluto from planethood – and got a lot of hate mail as a result.
12/17/2010 11:52 am
Voyager 1: Since 2004, the Voyager 1 probe has been exploring a region of space where solar wind slows abruptly and crashes into the thin gas between stars.
12/14/2010 10:01 am
New calculations indicate that Pluto might be the largest object in the outer solar system. Does it now deserve to be called a planet again?
11/22/2010 05:52 pm
The alien world has already gone through the red giant phase of stellar evolution, a milestone our sun should reach in 5 billion years or so. The fact that the newly discovered exoplanet survived this dramatic event suggests some planets in our solar system might, too.
11/19/2010 02:43 pm