Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Video: An airport in inner Mongolia reportedly shut down due to UFO sightings.
It will takes months to find out if dust is extraterrestrial.
$438 million mission will probe the planet's atmosphere and its interactions with the sun.
While past studies have suggested chaos reigned during the beginnings of our universe, new research offers what scientists say is a sure argument for the case.
'I think it's cool, but no, I am not about to be appointed the ambassador to aliens,' Mazlan Othman said at a conference on extraterrestrial life.
Held every year from Oct. 4-10, celebrations highlight the contributions of space science and technology to life on Earth.
Some astrophysicists propose time will end in 5 billion years with an event no creature alive will witness.
Physicists have calculated that time is likely to end within the next 4 billion years due to a catastrophe that no one alive at the time will witness.
100 years may be the cutoff time to find alien transmissions if they make similar technological progressions to ours.
As the bright stars of summer disappear in the west, the brighter stars of winter will rise in the east and make for a great stargazing season.
If confirmed, Gliese 581g would be the first Earth-like world found where a planet's temperature could sustain liquid water on its surface.
The bill continues to fund the shuttle program for a year, which will allow one last space shuttle mission following the mission planned for February.
The space station is expected to offer medical experiments, Earth observations and space tourism.
Video: Former U.S. Air Force personnel claim they experienced UFO activity near nuclear sites at which they worked.
The footage is considered some of the best of the historic 1969 moonwalk, but the film was lost in archives for years and was badly damaged when found.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.