Astronomers recently made an important discovery when they found a rare "in-sync" solar system with six planets all moving in one big grand harmony.

Early results on the fourth planet from the TRAPPIST-1 star suggest it lost its original atmosphere to space long ago, and it ...

The first image of the whole Earth from space came in 1972, when astronaut Ron Evans or Harrison Schmitt took a photo from ...

Now a game-changing instrument called NIRPS (Near-Infrared Planet Searcher) is leading the search for the most tantalizing ...

The exo-planets are larger than the Earth but smaller than Neptune. The planets are in a little-understood class called sub-Neptunes, commonly found orbiting sun-like stars in the Milky Way.

First Posted: 1/8/2013 THE SEARCH for other planets in the Milky Way has exploded in the last 25 years. Scientists have moved from mere theories about their existence to proof borne out by years ...

Researchers discovered at least seventy free-floating planets in a region of the Milky Way known as the Upper Scorpius OB stellar association.

Astronomers Say Milky Way Has Around 2 Billion “Earth Analog” Planets (That’s the Bad News) Discover how NASA Kepler data findings suggest there may be two billion Earth-like planets in the Milky Way, ...

The exo-planets are larger than the Earth but smaller than Neptune. The planets are in a little-understood class called sub-Neptunes, commonly found orbiting sun-like stars in the Milky Way.

The exo-planets are larger than the Earth but smaller than Neptune. The planets are in a little-understood class called sub-Neptunes, commonly found orbiting sun-like stars in the Milky Way.