Leaked congressional report reveals fears of counterspace weapons targeting US satellites.
Spacecraft Cassini obtained the images during its flyby on 14 October.
Astronomers struggle to explain bizarre activity near a distant star 1,465 light-years from Earth.
National Air Traffic Control Service tests breakthrough drone technology.
The aurora borealis, or northern lights, will be visible in Britain over the next few weeks.
These photos of Australia taken by Nasa astronaut Scott Kelly look like abstract paintings.
The end's NOT nigh: Asteroid 86666 (2000 FL 10) will miss earth by 16 million miles, Nasa confirms
Nasa has released an ambitious plan that details its 'Journey to Mars'.
NASA released 'gorgeous' colour images of Pluto's blue atmospheric hazes, returned by the New Horizons probe.
Dr Alan Stern was referring to a weekly image and science release
Nasa's principal investigator for its New Horizons mission has said that an announcement is coming
Fast moving wave-like features seen in disk of star are not like anything ever observed before.
Draconid meteor shower, called the Draconids or the Giacobinids, will take place on 8 and 9 October.
Video shows ISS crew members juggle oranges, apples and first aid kits while weightless.
More than 8,000 previously unseen photos from the Apollo missions in the 1960s and 1970s shared online.
The hi-res photos of Pluto's largest moon, Charon, were taken by the New Horizon spacecraft.
Space agencies preparing for the possibility of an asteroid being on a collision course with Earth.
University of Copenhagen researchers are exploring the possibility of growing moss on the Red Planet.
A conical shelter made from ice has won the coveted $25,000 prize for Nasa's 3D-Printed Habitat Challenge.
B612 Foundation was raising funds to build a spacecraft just for spotting asteroids.
Mars has significant resources to support travel to the Red Planet.
US space agency envisions first humans landing on the Martian surface in the late 2030s.
Nasa scientists provide strongest evidence for liquid water flowing on Mars.
'Feel bad for the people of North Korea when I see with my own eyes they live without electricity.'
Nasa announces evidence of running water on Mars
Nasa has confirmed that there is evidence of flowing water on Mars.
People from across the globe looked up to see a rare supermoon and lunar eclipse.
Skygazers around the world were treated to a blood supermoon, caused by the convergence of two astronomical phenomena.
52% of Brits believe that intelligent life exists in the universe.
Could it be alien life? Could it be Nasa trolling all of us?