Hidden in the clouds of Peru, Machu Picchu stayed secret for over 400 years. No maps. No records. Not even the Spanish found ...

High in the Peruvian Andes, a serrated stripe of pits cuts across a barren hillside, so regular and extensive that early ...

After a year under siege, the city’s police department contends with the tactics of federal immigration agents.

The transnational organized crime syndicate from Venezuela was previously labeled as a foreign terrorist organization by ...

This story has been updated with additional reporting. Oregon Attorney General Dan Rayfield says his office will open a ...

For over two decades, millions volunteered their computers to help UC Berkeley scientists in their search for ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

Born in Schaffhausen, Switzerland, in 1935, von Däniken rose to prominence when he published Chariots of the Gods? while working as a hotel manager in Davos. The book posed a provocative question that ...