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
Using infrared data from the Subaru Telescope in Hawaii, an international team of astronomers has imaged a giant planet around the bright star GJ 504.
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.
The true identity of centaurs, the small celestial bodies orbiting the sun between Jupiter and Neptune, is one of the enduring mysteries of astrophysics.
NASA's Cassini spacecraft has captured Saturn's rings and our planet Earth and its moon in the same frame.
The Central Intelligence Agency is funding a scientific study that will investigate whether humans could use geoengineering to alter Earth's environment
There is only one planet we know of, so far, that is drenched with life. That planet is Earth
The 10,000 ton meteor that crashed into a frozen lake in Russia earlier this year created shockwaves so intense they endured two trips around the globe
More than 10,000 asteroids and comets that can pass near Earth have now been discovered.
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