Enceladus is pumping out enough heat energy to match the output of 20 coal-fired power plants.
So we're running out of helium-3, who's up for some lunar prospecting?
Last year, Jupiter lost one of its trademark stripes. But with a little help from a little moon, an infrared telescope has found where the stripe is hiding.
The fizzy ocean on Enceladus may be capable of harboring life.
It may seem hard to believe, but a few decades ago we didn’t have clue as to what the far side of the moon even looked like.
Deep cracks, fractures and craters in the surface of Rhea suggest its surface is still rumbling.
The gas giant may have stripped away a long-lost moon to create its famous rings.
The gas giant may have stripped away a long-lost moon to create its famous rings.
There is a place even higher than Mt. Everest, with a gentle three-degree slope that you could stroll up. The problem is that it's 250,000 miles away.
Believe it or not, even NASA needs to 'touch up' the color and contrast of their photos that are returned from space missions.