Scientists are moving forward with plans to intentionally smash a spacecraft into a huge nearby asteroid in 2022 to see inside the space rock.
Lessons from underground nuclear tests and explosive volcanoes may hold the answer to how a category of unusual impact craters formed on Mars.
U.S. President Barack Obama is going to get an easy ride over his administration's handling of the September 11 attacks on U.S. missions in Benghazi, Libya.
This past week, there have been a lot of unusual side-effects as a result of the government shutdown.
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.
John Brennan, President Barack Obama's nominee to head the CIA, had detailed, contemporaneous knowledge of the use of "enhanced interrogation techniques"
The largest fleet of F-35 Lightning II joint strike fighters ramped up to 28 aircraft June 25
By drawing on issues at the core of contemporary archaeology and anthropology, we can be much better prepared for contact with an extraterrestrial civilization, should that day ever come.
NASA's Hubble Space Telescope has discovered a new moon orbiting the distant blue-green planet Neptune, the 14th known to be circling the giant planet.
NASA's Hubble Space Telescope will have two opportunities in the next few years to hunt for Earth-sized planets
NASA's Cassini spacecraft has documented the formation of a small icy object within the rings of Saturn that may be a new moon
NASA's new short film "Water Falls" invites the public along for the ride as scientists follow water around the globe — on a globe.
Wonder what the lunar eclipse of 4/15/2014 would have looked like if you were standing on the surface of the moon?
NASA's Mars rover Opportunity is studying the area of contact between a rock layer formed in acidic wet conditions long ago and an even older one
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