The Dyatlov Pass Incident: What Happened and the Main Theories

In 1959 nine hikers died at Dyatlov Pass in the Ural Mountains. What the evidence shows,…

The Voynich Manuscript: Facts, Theories and Decoding Attempts

The Voynich Manuscript is a 15th-century book written in an unknown script. What we know about…

Devil’s Kettle Falls: Minnesota’s Disappearing Waterfall Explained

At Devil's Kettle in Minnesota, half a river seems to vanish into a hole. How a…

The origins of the Wow! Signal: What Was Detected in 1977 and the Main Theories

In 1977 the Big Ear radio telescope picked up the Wow! signal, the most famous candidate…

The Bermuda Triangle: Disappearances, Myths and What Science Says

Flight 19, USS Cyclops and other famous Bermuda Triangle cases, the myths around them, and what…

Endangered Languages: Why They Disappear and How They Are Saved

About 40% of the world's 7,000 languages are endangered. Why indigenous languages disappear, which ones are…

Gravity Hills and Mystery Spots: Places Where Gravity Seems to Fail

Cars rolling uphill, water flowing the wrong way: famous gravity hills and mystery spots around the…

Mysterious Sounds Recorded in the Deep Ocean

The Bloop, the Upsweep, the biotwang and other strange sounds recorded in the deep ocean, and…

The World’s Strangest Natural Phenomena

Discover the most bizarre and captivating natural wonders on Earth. From blood-red waterfalls to sailing stones,…

Ancient Civilizations That Disappeared: What Really Happened

The Indus Valley, Minoans, Olmecs, Ancestral Puebloans and Mycenaeans all declined. What archaeology says about why,…