Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
This first-ever photo reveals a stark landscape peppered with craters.
The space cargo ship met its fiery demise overnight one day after its departure from the International Space Station.
Congressional appropriators could tap other funding accounts to help cover the $1 billion shortfall in NASA’s $18.7 billion spending plan for 2012.
Data from the tiny spacecraft will help scientists better understand how objects re-enter Earth's atmosphere.
Servers associated with flight controls and 'critical data' were mentioned in the report for having particularly lax security.
Shutdown data of the probe will help with NASA determine the lifespan of future devices on similar missions.
Scientist hopes to have a device to sequence dirt found on Mars ready for spaceflight by 2018.
Concept vehicle would allow easier, comfier and cheaper space travel to Mars — around $1 billion or so.
The Japanese space agency handed over control of its experiments on the International Space Station to NASA while it determined the integrity of its facilities.
After repeated incidents of reporters more interested in personal lives, the twin astronauts have cancelled many of their interviews with the press.
Astronaut Mark Kelly said there was "a pretty good chance" his wife, Gabrielle Giffords, critically injured in a shooting, will attend his launch.
A collective of scientists, writers and futurists band together to create a business plan to fund interstellar space travel.
Video: Photographer Terje Sorgjerd speaks about the week he spent capturing amazing pictures and video of the Northern Lights.
New technology may help scientists determine if Mars microbes traveled through space and began life on Earth.
Asteroids are 'natural stepping-stones' as NASA prepares itself for deep-space exploration.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.