Asteroid 2012 DA14, thought to be about 45 meters in diameter, passed within 17,200 miles of Earth today.
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.
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.
Slooh.com will broadcast the passing of Near-Earth Asteroid 2000 EM26 as the Olympics take place in Russia. Almost a year to the day, a different asteroid slammed into that country's town of Chelyabinsk.
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.
To, well, celebrate Earth Day, April 22, three former astronauts will claim they have evidence that remote parts of the Earth have endured 3 to 10 times more large-scale asteroid strikes than has been revealed.
In an effort to avoid a potential apocalypse, the space agency is holding a contest to get people to help it discover deadly asteroids.
The first meeting of an international group tasked with figuring out how to react to asteroids that threaten our very existence is set for next week.
Earth is near the center of a tangled mass of potentially hazardous asteroids. But there's little to worry about.
NASA camera snaps image of the potentially hazardous near-Earth object known as 1998 KN3 as it makes its way past the Orion Nebula.