A controversial discovery shows how Islam could have influenced the Vikings.
U.S. Congress hears expert testimony on a potentially devastating military threat from North Korea.
Ukrainian military shows off a new robot that can see action against Russian-backed forces next year.
A Clinton Global Initiative event at Northeastern University highlights the work of its alums.
Researchers find that different types of meditation alter the brain differently.
New studies shed light on how Neanderthal DNA is affecting the appearance and behavior of modern humans.
A new study shows how feelings of empathy can be potentially harmful to your health.
A study finds how hits from giant meteorites during Earth's early days impacted plate tectonics and the planet's magnetic field.
SpaceX CEO Elon Musk announces plans for a new rocket that would completely revamp the current fleet.