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Palau's Jellyfish Lake is home to millions of endemic golden jellies that live in the lake's top layer but never venture below 50 feet, where the water is saturated with poisonous gas.

A newly identified mutation helps super-sleepers get by on just four to six hours of shut-eye per night, while the rest of us need around eight hours. Researchers described the SIK3-N783Y mutation in a new study after testing it on sleep-deprived inbred mice.

A report into April's deadly flooding has found that climate change made the central Mississippi River valley's extreme weather event more likely and more intense.

A coin stash worth more than $340,000 could have been hidden in the hills of the Czech Republic during one of the 20th century’s greatest upheavals. Historians are attempting to unravel the mystery.

Researchers think the vehicle was used as a staff car by naval officers during World War II.

Very little is known about Powelliphanta augusta, an elusive snail species threatened with extinction. The new footage is the first time their bizarre egg laying behavior has been captured on camera.

Asian needle ants found in the southeastern states of the U.S. have been spreading north and west for years, but experts now consider them to be a medically important pest and urge caution.

A strange atmospheric pattern known as an "omega block" is preventing the usual eastward progression of weather across the U.S. — but what is this weird block, and when will it go away?

Scientists have discovered a way to use live tissue as a computational reservoir to solve problems and potentially predict chaotic systems like the weather.

All that you've heard about the Vikings may not be true.

Archaeologists can estimate a person's sex with 95% accuracy, but many experts are focused on what can be learned about humans outside the male/female gender binary.