Earth's unusual orbit through hot and cold conditions tests the limits of tolerability for any known lifeforms.

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

When an exoplanet is discovered, scientists are quick to describe it and explain its properties. Now, we know of thousands of ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

YR4 has a 1-in-83 chance of striking Earth in December of 2032 as it continues to move in its orbit around 27 million miles away from Earth.

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

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

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

A planet that may support alien life has been discovered less than 20 light-years from Earth. The "promising" super-Earth - ...

But according to an international team of researchers, including some from the University of Geneva, in a study published ...

Earth” planet that may have conditions suitable for life, according to the University of Oxford. The exoplanet – a planet outside our solar system – has a mass six times greater than that of Earth, ...