It seems life may have received a boost from asteroids smashing into the surface of Earth early in its life.
Kennedy Space Center leaders say they're on schedule for an unmanned test flight next year of Orion, NASA's next vehicle for taking astronauts into space.
Scientists are moving forward with plans to intentionally smash a spacecraft into a huge nearby asteroid in 2022 to see inside the space rock.
Congress got the word from NASA on Tuesday about its options for dealing with the threats posed by asteroids and comets
A catastrophic meteor strike that would trigger the kind of destruction blamed for wiping out dinosaurs millions of years ago is unlikely