You can see the bright bundle of ice and dust until Oct. 24 by using binoculars or a telescope in a dark environment, NASA ...

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

The Tsuchinshan-ATLAS comet was created more than 4 billion years ago when the planets reshuffled and changed the ...

The “comet of the century” will still be visible for another few days in North America. The icy object, known to scientists ...

An ancient visitor from the far reaches of our solar system is making a once-in-a-lifetime appearance. The Oort Cloud Comet, ...

Mid-October should be our best chance to view a comet not expected back for another 80,000 years, experts say.

NASA has since ruled that it doesn’t exist. The Oort cloud is the Solar System's Terra Australis. It's a theoretical bubble of icy debris predicted by scientists to be the furthest part of our ...

Astronomers infer the Oort Cloud is there because it's the only logical explanation for the arrival of a certain class of comets that sporadically visit our solar system. The cloud, it turns out ...

Astronomers infer the Oort Cloud is there because it’s the only logical explanation for the arrival of a certain class of comets that sporadically visit our solar system. The cloud, it turns out ...

Astronomers infer the Oort Cloud is there because it's the only logical explanation for the arrival of a certain class of comets that sporadically visit our solar system. The cloud, it turns out ...