Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Atlantis's launch will be NASA's 135th and final shuttle mission into space.
The Stardust-NExT spacecraft will be rapidly snapping pictures of the Tempel 1 comet as they pass at a mere distance of 124 miles.
The six-week pilot project, called "Mission X: Train Like an Astronaut" aims to teach healthy eating and exercise habits to children.
New telescope called SOFIA, which is actually a modified 747 jet, releases photographs from its first science mission.
New journal looks at sex on Mars and questions why NASA is so silent on the subject.
Each full moon has its own name that comes from the names given to the lunar events by Native Americans.
Scientists have dubbed the mysterious mass of unseen dark matter 'Galaxy X.'
"Lack of clarity and constancy of purpose among NASA, Congress and the White House is a safety concern," the Aerospace Safety Advisory Panel said.
Water reserves and a space travel hub are just two reasons why scientists think we should be looking toward the Moon once more.
Armed with binoculars or a basic telescope, January is a prime month for lunar treats for the amateur astronomer.
The beautiful blue orb of Neptune is the eighth and farthest planet in our solar system from the sun. Thanks to Voyager 2 and the Hubble telescope, we can see Neptune as never before.
A fuel leak and a crack in the tank's insulating foam have had Discovery's final flight on hold since Nov. 5.
The exoplanet, named Kepler-10b, is the smallest-ever planet discovered outside our solar system, and was located by NASA's Kepler spacecraft.
Scientists debate the potential of alien life, from resource-hungry conquerers to completely non-threatening.
A new study says that water on the moon came in large part from comets which bombarded the lunar surface in its infancy.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.