Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

A team of astronomers has made a groundbreaking discovery by detecting molecular activity in comet C/2014 UN271 ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

The existence of the Oort Cloud was first proposed in 1950 by Dutch astronomer Jan Oort, who imagined it as a shell of icy bodies swirling around the sun from up to 1.5 light-years away.

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The existence of the Oort Cloud was first proposed in 1950 by Dutch astronomer Jan Oort, who imagined it as a shell of icy bodies swirling around the sun from up to 1.5 light-years away.

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

Largest Oort Cloud comet ever observed reveals its secrets under ALMA's powerful gaze by National Radio Astronomy Observatory edited by Lisa Lock, reviewed by Robert Egan Editors' notes ...