A much-anticipated green comet that had stirred excitement among amateur astronomers and skywatchers around the world has met ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

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

The annual Eta Aquariid meteor shower, linked to Halley's Comet, will peak overnight on May 5 and 6. The annual Eta Aquariid ...

Comet SWAN, hailing from the Oort Cloud beyond Pluto, has been visible through telescopes and binoculars over the past few ...

Comets are balls of frozen gas and dust from billions of years ago. Every so often, a comet passes through the inner solar ...

Many Southern Hemisphere observers consider this shower to be the best meteor shower of the year, but it's a different story ...

Every so often, a comet passes through the inner solar system. “These are relics from when the solar system first formed,” said Jason Ybarra, director of the West Virginia University ...

Every so often, a comet passes through the inner solar system. “These are relics from when the solar system first formed,” said Jason Ybarra, director of the West Virginia University ...

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

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