Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
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.
They argue that it would be little different from early settlers to North America, who left Europe with little expectation of return.
Attached with a camera, the paper airplane captured incredible video as it glided 90,000 feet above the planet.
The moon always keeps the same side turned toward Earth, and now scientists have a way to describe the far side.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.