Scientists claim that first extraterrestrial contact will be a loud event impossible to ignore, not a subtle signal.

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

manuscripts at the National Museum of Iraq and the nearby National Library were created over 9,000 years of human history -- art and ideas from some of the world’s earliest villages and cultures. But ...

With the thick vegetation of the northern Guatemala rainforests hiding its 2,000-year-old remnants, the full extent of the early Mayan way of life was once impossible to see. But laser technology has ...

The Mayans were incredibly advanced — that’s nothing new. But gauging the extent of their civilization has always proved tricky, since so much of it lies hidden by the impenetrably dense rainforests ...