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.
New studies shed light on how Neanderthal DNA is affecting the appearance and behavior of modern humans.
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.
While Saudi Arabia allowed women to drive, many major restrictions remain on their rights.
A major Silicon Valley company is funding a trial of Universal Basic Income in the U.S.
Russian President Vladimir Putin's recent remarks about the future with artificial intelligence prompted alarm from Elon Musk.
A new study shows the effectiveness of medical marijuana in preventing the abuse of prescription drugs.
A new study finds cause for concern over what tattoo ink is doing to the body.
Scientists in Japan have discovered why yawning is so contagious.
Scientists discover that humans are still evolving, with natural selection weeding out certain diseases.
Researchers for the U.S. military are studying salamanders and other animals to discover how they can regrow lost body parts.
A state-run Chinese space company announced plans for supersonic "flying" trains.
A new study offers a theory of how the Universe was filled with visible light, up to a billion years after the Big Bang.
Astrophysicists turn Saturn's moons and rings into music.
Australian scientists discover how complex life first appeared on Earth - one of the "greatest mysteries of science".
Scientists solve the mystery of an ancient Babylonian tablet, rewriting history. They think the tablet has much to teach us.
Albert Einstein's famous thought experiments led to groundbreaking ideas.