In the vast expanse of the universe, scientists are observing a planet's dramatic demise, as it leaves a comet-like trail of ...

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

The ESA/NASA Solar and Heliospheric Observatory (SOHO) has officially discovered 5000 comets. Comet number 5000 was spotted ...

A recently-discovered comet could have appeared in the night sky with the naked eye, but its passage near the sun has turned ...

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

A newly discovered green comet tracked by telescopes has likely broken apart as it swung by the sun, dashing hopes of a naked ...

The comet is currently visible in the northern hemisphere, and UK skywatchers have already begun to spot it. The comet is ...

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