For 30 years, a large near-Earth asteroid wandered its lone, intrepid path, passing before the scrutinizing eyes of scientists
This image shows the potentially hazardous near-Earth object 1998 KN3 as it zips past a cloud of dense gas and dust near the Orion nebula.
A NASA spacecraft that discovered and characterized tens of thousands of asteroids throughout the solar system before being placed in hibernation will return to service
This graphic shows the orbits of all the known Potentially Hazardous Asteroids (PHAs), numbering over 1,400 as of early 2013.
Over the last hundred years, the human population has exploded from about 1.5 billion to more than seven billion, driving an ever-increasing demand for resources.
The house-sized rock that exploded in the skies near Chelyabinsk, Russia, in February may have been a member of a gang of asteroids that poses a threat to Earth
A team of astronomers from the University of Anitoquia, Medellin, Colombia, have discovered a graveyard of comets.
NASA has completed the first step toward a mission to find and capture a near-Earth asteroid, redirect it to a stable lunar orbit and send humans to study it.
More than 10,000 asteroids and comets that can pass near Earth have now been discovered.
An asteroid passed Earth last week, and with the Arecibo radio telescope astronomers got an unprecedented look
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.
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