The Perseids meteor shower has been active since July 17, but will peak late on Tuesday, Aug. 12, into early Wednesday, Aug. 13.

A Japanese spacecraft is on a remarkable journey toward one of the most puzzling celestial objects in our solar system — a ...

These strange objects could explain how water arrived on Earth, but may also be a previously unrecognised threat to our ...

When you look up at the night sky, you might wonder about the celestial objects that streak through space,comets, asteroids, ...

Meteor showers occur when Earth passes through trails of dust and debris left behind by comets or asteroids. The Perseids ...

These tails form because comets have ice in them, while asteroids supposedly do not. When a comet gets close to the Sun, these ices heat up and sublimates, which means they turn from ice into gas.

A swarm of interplanetary dust, rocks, comets and asteroids thought to be responsible for two famous impacts here on Earth has been found to be not quite as menacing as astronomers had feared.

Recent studies have provided detailed photometric analyses of activity in main-belt comets, specifically focusing on objects such as 176P/LINEAR, 238P/Read and 288P/ (300163) 2006 VW139.

Comets and asteroids are among the Solar System's very oldest inhabitants. This book tells the story of these enigmatic celestial objects, revealing how scientists are using them to help understand a ...

291 p. : ill., maps ; 25 cm Place Earth Data Source Smithsonian Libraries Topic Comets Asteroids Meteorites Astrogeology History siris_sil_590147 SIL DYNAMICS OF COMETS AND ASTEROIDS AND THEIR ROLE IN ...