The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

Venus dominates as the brilliant “Morning Star” in the east-southeast before dawn; the Eta Aquariid meteor shower takes place ...

An object seen to have moved in the time between when it was imaged by the IRAS and AKARI surveys in 1983 and 2006 ...

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

NASA is releasing stunning photos taken by the Hubble Space Telescope to celebrate its 35th anniversary. Check them out below ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

The ongoing search for an additional planet at the solar system's edge has identified a new candidate, potentially ...

Astronomers have found new evidence that a mysterious ninth planet may be hiding at the edge of the solar system - rewriting ... Both scanned the entire sky to catch infrared signals from distant ...

A reddish star is about to pass through a "beehive" of stars. That "star" is actually one of Earth's planetary neighbors.

2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has ...

The birthplace of stars begins within large, cold clouds of gas and dust, which eventually collapse under the weight of ...

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...