Some seriously large asteroids have threatened Earth before. Some of these asteroids have little chance of hitting us but there are a few with very real chances of making contact. Watch the full ...
Stargazers should get ready to see the peak hit ... comet approaches the sun, according to the Planetary Society. The moment the comet makes its closest approach to the sun is called the perihelion, ...
It also provides a reason why the moon is chemically similar to, but not identical to Earth. In support of this idea, ...
The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...
"Our ambitious Rosetta mission has secured a place in the history books: not only is it the first to rendezvous with and ...
"Like rings of water spreading from a drop in a pond, circular waves from Helene are seen billowing westward from Florida," ...