When asteroid 2004 BL86 passed near Earth on January 26, it wasn't alone. A small moon came along for the ride.
Asteroid 2012 DA14, thought to be about 45 meters in diameter, passed within 17,200 miles of Earth today.
Researchers have now spotted more than 90 percent of the so-called "planet buster" asteroids in nearby orbits and none poses a threat to Earth. But thousands of midsize bodies remain to be found.
Rumors of an Earth-shattering asteroid impact scheduled for September are blown off course by NASA applying science to the fear-mongering.
Experiments have demonstrated that it's possible to de-spin and redirect asteroids with high-powered lasers.
The space agency has just announced plans to fly to an asteroid, snag a boulder, fly back toward Earth and put the rock in orbit around the moon. Because science.
You don't have to duck, but a good-sized asteroid will make a fairly close flyby of Earth at the end of the month.
A user posts a fake news piece to CNN's iReport news hub. It stays live for 22 hours before someone realizes it must surely not be true.
NASA has tested two prototypes of its "Hedgehog" robot concept to see how they perform in microgravity.
The B612 Foundation highlights the fact that asteroids come a-knockin' 3 to 10 times more frequently than previously thought. But don't freak out; most explode too high up to cause damage on the ground.