Ten Unexplained Phenomena In The Natural World

A persistent, low-frequency hum heard by some residents in Taos. Its source has never been definitively identified, despite numerous studies.

Glowing, spherical electrical phenomena reported during thunderstorms. Scientists have theories, but its precise nature remains elusive.

Strange, colorful lights that appear in the Hessdalen Valley. These lights have puzzled researchers for decades, with no consensus on their cause.

Enormous craters that suddenly appear in the Siberian tundra. Some attribute them to methane gas explosions, but they remain a geological enigma.

A waterfall where part of the water vanishes into a hole, with no clear evidence of where it goes, despite numerous tests.

Circular patches of bare soil surrounded by vegetation, occurring in desert regions. Their origins remain debated, with theories ranging from termites to plants competing for water.

A massive underwater sinkhole with mysterious depths that house unique ecosystems and unknown geological formations.

While scientists understand the basics of how charged solar particles create these lights, the precise conditions that create their vivid colors and shapes are still under study.

Rocks that mysteriously move across the desert floor, leaving trails behind. While some studies suggest ice sheets and wind, the phenomenon still sparks debate.

A bright red, iron-rich stream flowing from Taylor Glacier. The exact origins and survival mechanisms of the microbial life within remain partially unexplained.