Astronomy | featured news

Astronauts are taking in "absolutely spectacular" views of Earth as they crank open shutters inside the International Space Station's new $27 million observation deck....

A pair of spacewalking astronauts floated back outside Saturday night to hook up plumbing on the newest room of the International Space Station and bring it alive with power....

Astronauts put the last big addition on the International Space Station early Friday, attaching a new room with an enormous bay window that promises to provide unprecedented panoramic views of Earth....

Building a home near a moon crater or a lunar sea may sound nice, but moon colonists might have a much better chance of survival if they just lived in a hole.

Russia's space chief said Wednesday his agency will consider sending a spacecraft to a large asteroid to knock it off its path and prevent a possible collision with Earth.

Astronomers announced this week they found a water-rich and relatively nearby planet that's similar in size to Earth.

An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate.

The Cassini mission completes a flyby of Saturn's moon Enceladus, sending back data and stunning images of the rippling terrain.

Shuttle astronaut Randy Bresnik has welcomed a daughter -- from space.

After a year's delay, scientists at the world's biggest accelerator have restarted an experiment to recreate "Big Bang" conditions that had sparked suggestions the earth would be sucked in by millions of black holes.