Space rocks big enough to destroy a city hit the Earth much more often than thought, according to an estimate by a private group devoted to preventing disaster from such orbital killers.
From ancient human history to modern scientific research, the pineal gland is linked with human consciousness and special awareness and perception.
A collage of radar images of near-Earth asteroid 2006 DP14 was generated by NASA scientists using the 230-foot (70-meter) Deep Space Network antenna
NASA and Planetary Resources Inc., of Bellevue, Wash., are partnering to develop crowd-sourced software solutions to enhance detection of near-Earth objects
A team of NASA and international scientists for the first time have gathered a detailed understanding of the effects on Earth from a small asteroid impact.
Newly discovered asteroid 2013 TV135 made a close approach to Earth on Sept. 16, when it came within about 4.2 million miles (6.7 million kilometers).
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.
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.
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