This mission may be our most informative one yet
A populist uprising restores a space favorite to the planetary ranks. Will the astronomers listen?
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...
It's a meteor, it's an unknown celestial body... it's a Russian spy satellite?
A 1,000 foot-wide asteroid nicknamed “the Beast,” will travel peacefully past earth Thursday, sailing just three lunar distances from our planet’s surface. The...
NASA on Friday released imagery from a test run of its Morpheus prototype, which it says demonstrates it can land unmanned spacecraft on harsh planetary terrain...
A passing comet is expected to unleash a beautiful meteor shower Friday night and Saturday morning.
Scientific cooperation continues despite tensions between Moscow and Washington
Watch it to prepare for tonight's stunner
100 to 400 meteors an hour will streak across the sky Friday night to Saturday morning
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
Though it won’t come near Earth for at least a century
New studies of last years' incident in Chelyabinsk suggest that more such cosmic shellings may lie aead
It's a comet! It's an asteroid! It's a bit of both—and it's one of the niftiest little members of the solar system
(LOS ANGELES) — Southern Californians from Santa Barbara to San Diego have reported seeing a fireball that forecasters said was most likely a meteor streaking...
A study of a burnt-out star 170 light years away provides more evidence of the ubiquity of water in the universe
Mark your calendars for Aug. 26, 2032 as the day the world could end