A team of US scientists has managed to formulate the first complete global geologic map of Io, the innermost of Jupiter's largest moons.
A bombardment of cosmic rays on the moon's surface could be creating complex carbon chains similar to those that form the foundations of biological life.
Some orbits are apparently more popular than others in young solar systems emerging around baby stars - which often results in "planet pileups" and "planet deserts."
Everything is set for daredevil Felix Baumgartner to set a world record that has stood for more than 50 years.
The first docking of a commercial spaceship with the International Space Station could take place as early as next May.
The early Earth flipped back and forth between a hydrocarbon-free atmosphere and a hydrocarbon-rich one similar to that of Saturn's moon, Titan.
Messier 9 can best be described as a globular cluster, a roughly spherical swarm of stars that lies approximately 25,000 light-years from Earth.
A newly discovered asteroid will come so close to Earth next year that it actually passes below many man-made satellites.
The Pentagon's calling for proposals for a fleet of cheap, disposable satellites to give soldiers access to battlefield maps and images.
Astronomers using NASA's Hubble Space Telescope have found several quasars acting as gravitational lenses, making it easier to study the galaxies in which they're contained.
NASA has debuted a new atlas and catalog of the infrared sky, including more than a half billion stars, galaxies and other objects captured by the Wide-field Infrared Survey Explorer (WISE) mission.
Astronomers have known for some time that the earliest galaxies were much smaller than the impressive spiral and elliptical entities which now fill our universe.
Is this a picture of a Death Star-type UFO refueling on the surface of the sun? Well, no.
One of the inventors of the superconducting maglev train is proposing building a bigger, better version than ever before - that could fire out payloads into orbit.
A new study has confirmed that astronauts risk brain and vision abnormalities as a result of spending time in space.
An analysis of meteorite samples has revealed that there's more than one way of building amino acids in space, raising the odds of life elsewhere.
The moon's somewhat bizarre magnetic field may have been shaped by a massive asteroid impact, which left some of its material behind.
Skywatchers along the eastern US should have a ringside seat for a new NASA experiment designed to shed light on the Earth's jet stream winds.
One of the biggest solar storms in years is engulfing the Earth, following two flares that erupted on Tuesday.
The Hercules galaxy cluster - aka Abell 2151 - lies approximately 500 million light-years away in the constellation of Hercules.