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.

New pope's schedule will be 'exhausting.'

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.