Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Recaluating the sizes of Pluto's neighbors could bring its planet status back.
NASA astronauts are beaming down dazzling images and guess-this-mystery-location photos via Twitter and have even launched a game.
SpaceShipTwo, named the VSS Enterprise, is designed to carry six ticket-holding passengers and two pilots.
A series of safety reviews is still ahead before the shuttle is completely cleared for flight.
Discovery may force astronomers to rethink their ideas about planet formation and survival.
The Leonid shower occurs when the Earth passes through a stream of dust leftover from the Comet Tempel-Tuttle.
The New Mexico Spaceport Authority has begun soliciting contract bids from local businesses for day-to-day operations of the facility.
The display of shooting stars peaks on Nov. 18.
Private businesses from each country are hoping to be the first to launch a private space station.
An analysis of samples brought back by the Hayabusa spacecraft could offer insight into the creation and makeup of the solar system.
If not repaired in time, cracks could delay launch until February 2011.
A star exploded into a supernova in 1979, and astronomers think the star's explosion was big enough to cause a black hole to develop in its wake.
International team of scientists to exhume Brahe's remains in efforts to determine the cause of his death.
New project 'major step' in contacting aliens.
Failed stars are called brown dwarfs, a category for objects that appear to be too large to be planets, but never attain star-hood.
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