It seems life may have received a boost from asteroids smashing into the surface of Earth early in its life.
The radar imagery revealed that 1998 QE2 is a binary asteroid.
On May 31, 2013, asteroid 1998 QE2 will sail serenely past Earth, getting no closer than about 3.6 million miles
NASA's first mission to sample an asteroid is moving ahead into development and testing in preparation for its launch in 2016.
The Apollo-era astronaut says NASA should be working manned Mars missions
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.
NASA this week put the official stamp on an initiative to capture a near-Earth asteroid and haul it back
The next giant leap in space exploration may be a short hop on a small space rock.
Never let it be said again that Michael Bay isn't a visionary; NASA's future looks a little bit more like "Armageddon" every day.
Over the years, the spacefaring nations of Earth have sent dozens of probes and rovers to explore Mars.
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
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.
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