Cutting-edge LiDAR technology has revealed an astonishing secret concealed beneath the dense jungle canopy of Ecuador's Andean Chocó: hundreds of pre-Hispanic structures that dramatically expand our ...

The U.S. successfully claimed another one million square kilometers beneath the ocean, expanding its extended continental ...

President Trump has set his sights on defunding colleges, singling out some of the world’s wealthiest schools in what critics say is an attack on academic freedom. Some are negotiating. Others are ...