The human mind may find it difficult to conceptualize: a cosmic cloud so colossal it surrounds the sun and eight planets as ...

It is also theoretical. Astronomers infer the Oort Cloud is there because it’s the only logical explanation for the arrival ...

The spherical shell known as the Oort Cloud is, for all practical purposes, invisible. Its constituent particles are spread so thinly, and so far from the light of any star, including the Sun, that ...

Some Central Texans witnessed a once-in-a-lifetime astronomical event this weekend, as a comet passed over the region and was ...

News Channel 11 viewer Don Carrier photographed a once-in-80,000-years comet currently passing over Earth in Mendota, ...

ATLANTA — Through the weekend of Saturday, Oct. 19 and Sunday, Oct. 20, you'll be able to see a rare comet in the sky each ...

Here's what Californians should know about catching this rare marvel as it zooms above the Golden State in October.

NASA recommends using a pair of binoculars or a small telescope to see Comet A3 Tsuchinshan-ATLAS in San Antonio. In order to ...

An ancient celestial body that may once have been witnessed by Neanderthals will make its first close pass by Earth in ...

Those hoping to spot comet Tsuchinshan-Atlas should venture outside about an hour after sunset on a clear night and look to ...