Ker Than

NASA's space shuttle Atlantis launches spaceward on the STS-117 mission.

An ambitious plan is in place to have NASA's space shuttle successor ready by 2013.

The weather forecast for Friday’s evening liftoff of the shuttle Atlantis has improved.

NASA's preparations for a Friday launch of the shuttle Atlantis are still on track despite weather forecasts of possible hail.

Preparations are on track for Friday’s evening launch of the space shuttle Atlantis from Florida, despite a small chance of a scrub due to thunderstorms.

The upcoming flyby NASA's MESSENGER spacecraft over Venus could provide new insights about the cloud-shrouded planet and will serve as a dress rehearsal for its rendezvous with Mercury next year.

NASA officials have given the green light for a June 8 launch of the space shuttle Atlantis to deliver new solar arrays to the International Space Station (ISS).

Two Russian Cosmonauts are set to install orbital debris protection panels on the International Space Station (ISS) during a spacewalk later today.

NASA is incorporating changes to its spacewalk procedures after a small cut to the glove of an astronaut was discovered after an International Space Station (ISS) assembly mission last December.

Like well prepared travelers, some wandering black holes take their food with them as they journey through their host galaxies.

A new detailed peak at a pair of colliding black holes reveals clouds of new stars formed in the wake of the merger.

A Neptune-sized planet in a distant solar system orbits very close to its star and might be covered with exotic forms of water not naturally found on Earth.

Tidal heating of Enceladus might be causing fractures to vent material into space.

New computer models suggest our solar system might be hurtling through the Milky Way on its side.

Our solar system might get booted from the suburbs to the boondocks of our galaxy when the Milky Way merges with its neighbor Andromeda in a few billion years, scientists say.

Astronomers discover one of the oldest stars in our galaxy.

HD 149026b, hot Jupiter, exoplanet, extrasolar planet, hottest planet, titanium, titanium oxide, heavy elements

A new map confirms some exoplanets are warmed by supersonic hot winds.

The newly detected ‘king’ of supernovas might be evidence of a new way massive stars die.

A new finding resolves a decades-long mystery.

Some martian ice is right near the surface, but in other spots it's deep, making it a dice-y drill-down for future missions.

NASA is presenting a series of stunning new images today of the Jupiter system snapped by its probe New Horizons earlier this year.

The announcement that a small Earth-like planet has been discovered within the habitable zone of a distant star is the culmination of more than a decade-long search for worlds like our own.