Field Dispatch

In a remote Norwegian valley, balls of light have been appearing in the sky for at least ninety years. They register on radar. They show up at 5,000 Kelvin on spectrometers. The best explanation so far? The valley's geology might be functioning as a giant natural battery.

The world’s most famous desert drawings may not have been made for the sky. They may have been made for the water beneath the dirt.

You've probably never heard of Campi Flegrei. That's the problem. If I said "supervolcano," most people would picture Yellowstone. The caldera under Wyoming, the magma chamber big

Last week, Egypt's Ministry of Tourism and Antiquities announced that six years of excavation at Tell el-Farma had uncovered something unusual beneath the ruins of Pelusium.

A 5,000-year-old underground temple in Malta was acoustically engineered to resonate at the exact frequency that deactivates the human language center. The builders had no metal tools. They had no writing. They knew exactly what they were doing.