Comets, which are composed of ice, frozen gas, dust and rocky material, are believed to be relics of the early solar system.

Astronomers have observed a rocky planet rapidly disintegrating near its star, trailing a comet-like tail of mineral dust.

The planet, roughly the mass of Mercury, orbits its star extremely close, so close that its surface is likely covered in ...

The stellar wind spreads the dust particles ahead and behind the world. Its loss of mass rate is estimated to be 10 Earths ...

COIAS (Come On! Impacting ASteroids) is a web-based application that lets anyone search for Small Solar System Bodies (SSSBs) ...

The comet can be seen with binoculars or a small telescope and may be visible to the naked eye later this month.

NEW YORK (AP) — A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing ...

Comet SWAN25F, which was first seen by ESA's SOHO satellite, is thrilling skygazers with its striking green color. It is visible just before dawn on t ...

Last year there was much ballyhoo over the so-called “devil comet,” some will-it-won’t-it drama of Tsunchinshan-ATLAS, and the sudden discovery (and quick demise) of a third comet that failed to meet ...

Credit: EarthSky.com via Eddie Irizarry/ Stellarium —Rare illusion gives 'once-in-a-lifetime' comet a seemingly impossible 2nd tail after closest approach to Earth for 80,000 years —Explosive ...

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