That's more than 4.5 billion years old
We already knew Miranda, one of Uranus's five major moons, has "one of the strangest and most varied landscapes among extraterrestrial bodies." Now, we...
A major haul by the Kepler Space Telescope has astronomers cheering
Jupiter's Ganymede gets its own map
The difference between an asteroid and a comet was always thought fixed—but now a new paper says the two celestial bodies may be more similar than we thought
For half a century, the U.S. has been sending probes into deep space—and for half a century the appropriately named Deep Space Network has been keeping in touch...
Stuck in a solar system in which planets come in only two sizes—big and small—we're finally learning about all the ones in between
Listen to the amazing sounds of the planets, picked up over 50 years by NASA's Deep Space Network.
But that's no indication of alien life
The same heat trapping processes that are causing so much trouble on Earth once made Mars a very pleasant place
Every comet that’s ever been spotted is a fugitive on the lam. Comets really have no business visiting the inner solar system at all. They don’t remotely...
The launch of ‘Gravity’ has us looking back at a century’s worth of movies about the men and women who explore our solar system