Has Voyager 1 left our solar system?
A new examination of what is essentially the universe's birth certificate allows astronomers to tweak the age, girth and speed of the cosmos
More than 35 years after it launched on a mission to explore the cosmos, NASA's unmanned Voyager spacecraft appears to have left the solar system.
Congress got the word from NASA on Tuesday about its options for dealing with the threats posed by asteroids and comets
Following last week’s announcement that Curiosity had found conclusive evidence that Mars was once capable of supporting life
A catastrophic meteor strike that would trigger the kind of destruction blamed for wiping out dinosaurs millions of years ago is unlikely
An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.
Algae-like structures inside a Sri Lankan meteorite are clear evidence of panspermia, the idea that life exists throughout the universe, say astrobiologists.
The space agency will hold a press conference to reveal the results of the analysis of the grey-green dust it drilled from a rock on 8 February.
Buried channels, believed to have been caused by flooding, have been discovered below the surface of Mars
'Something unexpected' is happening on the Sun, Nasa has warned.
An asteroid the size of a city block will pass by Earth this weekend, but have no fear: There's no danger of it hitting our planet.
Mars may have a really bad day next year on October 19th.
A massive coronal mass ejection (CME) has put NASA’s Curiosity rover in a direct line of fire
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