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

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

Sometimes metres and kilometres are used to measure objects and distances in space, especially if they are small or within our solar system. A light year would be an inappropriate unit of ...

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

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

The fastest planetary winds ever found are tearing across a distant gas giant.

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

The solar system is putting on its own New Year’s Eve show, with the northern lights potentially visible as far south as Oregon and Illinois on Dec. 31. The National Oceanic and Atmospheric ...

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33,000 km/h, the winds make up the fastest jet-stream of its kind ever ...