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

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

Earth’ planet that may be suitable for life - The exoplanet, which has been named HD 20794 d, orbits in the ‘habitable zone’ ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

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

SCIENTISTS have discovered a new super-Earth with an ‘eccentric’ orbit that swings it in-and-out of its star’s habitable zone ...

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

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...

Astronomers discovered supersonic winds on a giant gas planet located over 500 light-years from Earth. In a study released ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...