Exactly 150 summers ago, stargazers were admiring a beautiful new comet. Discovered in mid-July 1862 by Americans Lewis Swift and Horace Tuttle, the new object became favorably positioned high in the ...

More than 100 meteors per hour streaked across the sky last night as the Earth passed through the dust trail of Comet Swift-Tuttle, according to the Adler Planetarium. Discovered 147 years ago, the ...

The Perseid meteor shower radiates from the constellation Perseus and occurs every year between July and September.

Asteroids, comets, and meteors differ in origin and behavior—remnants of our Solar System that sometimes create dazzling ...