Earth-sized planet found 4.3 light years away

European astronomers have discovered an Earth-sized planet right next door in the Alpha Centauri system.

Jupiter's Trojan asteroids show their true colors

NASA's Wide-field Infrared Survey Explorer, WISE, has uncovered new clues about the Jovian Trojans - asteroids that orbit the sun on the same path as Jupiter in two 'packs'.

Citizen scientists find planet with four suns

Two amateur astronomers have discovered the first example of a planet orbiting twin suns that is itself orbited by a second distant pair of stars.

Baumgartner breaks speed of sound in freefall

Felix Baumgartner successfully completed his record-breaking jump from the edge of space yesterday, becoming the first man to break the speed of sound in freefall.

Solar wind brought water to the moon

The water found locked inside soil on the moon's surface derives from hydrogen in the solar wind - meaning there could be water on other apparently-dry bodies in the solar system too.

Martian meteorite delivers evidence of water

A meteorite that landed in the Moroccan desert 14 months ago has been traced back to Mars.

NASA exoskeleton to give astronauts a boost

A robotic exoskeleton developed as a spin-off from NASA's Robonaut 2 project could help astronauts stay healthier in space, and paraplegics walk.

Curiosity identifies Earth-like rock - and has its first carwash

The first rock to be touched by NASA's Curiosity rover - dubbed Jake Matijevic - turns out to have a very Earth-like composition, different to anything before seen on Mars.

Protecting astronauts beyond the ISS

Astronauts venturing beyond the safety of the International Space Station (ISS) will face increased exposure to cosmic radiation.

This super-Earth is a diamond planet

Scientists now believe that a rocky planet twice Earth's size orbiting a nearby star can actually be classified as a diamond planet.

Spiral found round dying star

A completely unexpected spiral structure observed around an ancient star could offer a glimpse of what our own sun has in store.

Dragon capsule docks with International Space Station



The SpaceX Dragon capsule successfully docked with the International Space Station (ISS) earlier this morning.

Water-mining lunar robot revealed

Carnegie Mellon University spinoff Astrobotic Technology has now completed a full-size prototype of a solar-powered robot designed to search for water ice at the moon's poles.

Water reservoirs spotted in Taurus constellation



The ESA's Hershel space observatory recently discovered enough water vapor to fill Earth's oceans more than 2000 times over in a gas and dust cloud that is on the verge of collapsing into a new Sun-like star.

Video: Curiosity samples Martian soil at Rocknest



NASA's Mars Curiosity rover has successfully collected and sampled a scoopful of sand and powdery material at the "Rocknest" site on the Red Planet.

Infrared reveals hidden supermassive black holes

University of Cambridge scientists have discovered a new set of enormous, rapidly growing supermassive black holes in the early universe.

Video: Dragon Space X heads to International Space Station



The Dragon Space X commercial cargo ship was lofted into orbit aboard a Falcon 9 rocket at 8:35 p.m. EDT, putting on a spectacular show of light and thunder from the rocket's nine engines.

The cosmic riches of Messier 69

NASA’s Hubble Space Telescope has snapped a dazzling image of the globular cluster Messier 69, or M 69 for short. 



Stellar-mass black hole stalks the Milky Way

NASA's Swift satellite recently detected a rising tide of high-energy X-rays from a source toward the center of our Milky Way galaxy.

Curiosity set to scoop sand sample that could reveal ancient life

NASA's Curiosity rover is getting ready to take its first scoop of Martian soil.