An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Exoplanets have captured the imagination of the public and scientists alike and as the search continues for more, researchers ...

Kepler was one of the most successful exoplanet-hunting missions so far. It discovered 2,600 confirmed exoplanets—almost half ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting ...

Astronomers have found two planets around two separate stars that are succumbing to their stars' intense heat.

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

Scientists have confirmed the discovery of a new planet which is six times as large as the Earth and could host alien life.

A rare celestial event is captivating stargazers as six planets align in a striking display, says Professor Chandana ...

Found by Dr Michael Cretignier of the University of Oxford, the planet has a mass six times greater than Earth's and orbits ...

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.