NASA's Pleiades supercomputer has provided fresh insights into the Oort cloud – a vast, theoretical spherical shell of icy objects that surrounds our solar system. For a long time, the Oort cloud's ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's illustration of the Voyager 1 probe travelling into the Oort Cloud. | Credit: Science ...

Spirals are a repeating theme in astronomy, with arguably the most famous example of a swirling armed structure being our ...

Astronomers searching for the faintest glimmers of light beyond distant Pluto say they’ve discovered a new dwarf planet – and that this planetoid’s movements hint that an invisible giant planet ...

In a nutshell: Far beyond the orbit of Pluto lies a mysterious region filled with icy objects circling the Sun. This distant zone, known as the Oort Cloud, remains unseen, but its existence is ...

The mysterious cloud of space rocks and debris at the edge of the solar system may have spiral arms, making it resemble a mini galaxy, a new study says. The Oort cloud is a theoretical debris shell at ...

Planet-hunters scouring the heavens have found thousands of distant worlds around other stars, but astronomers may have overlooked one lurking much closer to home. Scientists searching for glimmers of ...

A massive comet is heading towards Earth and the inner solar system. Comet C/2017 K2 (PanSTARRS) doesn't pose a threat to Earth itself, but the massive comet will be a treat for sky watchers. C/2017 ...

A huge comet that is entering the final stages of a multi-million year journey towards the sun has entered the inner part of our solar system and is due to make its closest pass to Earth in July.

NEW YORK — Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show opening to the public on Monday. At the American Museum of Natural History last ...