Portable VR headset can help determine whether an athlete needs to be removed from play within a minute
Stephen Hawking is clearly a fan of "Big Bang Theory"
Many scientists are looking for signs of extraterrestrial life, but some experts think they need to try a different approach
Scientists are gearing up for a total eclipse of the sun Aug. 21, the first visible from coast to coast in the United States in nearly a century
A total solar eclipse August 21 will be the first to cross the U.S. from coast to coast in nearly a century. NASA animation shows how the eclipse will unfold.
Researchers are attempting to track prairie rattlesnakes' every move
Dollar bills and ATM keypads are teeming with bacteria, viruses and even traces of illegal drugs