Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Infrared images revealed the buried structures.
Video: Astrophysicist is using 3-D images generated by a supercomputer to understand what happens with a supernova explodes.
The new map could help scientists determine how and why the Milky Way moves the way it does.
NASA will cease its efforts to contact Spirit, a Mars rover that explored Mars from 2004 to 2010 before going silent.
Kennedy's speech turned NASA into 'a big space-spectacular agency.'
Astronauts will try out a new set of exercises to prepare them for the change in pressure they encounter during spacewalks.
The private rocket also launched with a load of student experiments.
The six visiting astronauts of Endeavour's STS-134 mission, and the six space station residents, are juggling different sleep shifts and overnight work hours.
Scientists take a census of 20,000 galaxies and find that only four percent resemble the Milky Way.
A new photo from the Hubble Space Telescope has revealed what scientists have called a veritable galactic 'fountain of youth.'
Pope Benedict XVI asks series of questions about the astronauts' unique vantage point and how that affects their opinions on world issues.
STS-135 will be Atlantis' 33rd and final mission before it is retired.
Scientists were relieved to see the space shuttle Endeavour's prize payload — the $2 billion Alpha Magnetic Spectrometer — safely installed on the International Space Station
Giffords' rapid recovery is 'almost miraculous.'
On top of his busy day in space today, space shuttle Endeavour commander Mark Kelly must juggle the knowledge that his wife, Congresswoman Gabrielle Giffords, is undergoing brain surgery.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.