Scientists are moving forward with plans to intentionally smash a spacecraft into a huge nearby asteroid in 2022 to see inside the space rock.
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.