In a fascinating video, researchers have revealed a new and bizarre see-through species of sea slug floating around the ...

NASA's Perseverance Mars rover spots a scattering of bizarre bright white pebbles of a mysterious composition and origin.

An unusual sea slug with a large hood, a tail with fingerlike projections and glowing bioluminescence has been found living ...

A mysterious canine-like creature caught on camera in the Midwest wilds has experts scratching their heads — and scrambling ...

Liftoff of the mission, which was for a "confidential commercial customer," took place at 5:56 a.m. ET on Tuesday (Nov. 5).

For decades, the observation has been an enigma. But not anymore. Recent analysis of Voyager's old data found that extreme ...

The Bristol Hills Historical Society in May 2023 published "History and Mystery: The Folklore and Legends of the Bristol ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For nearly two ...

The fusion of history, archaeology, and genetics is cracking an 800-year-old Nordic mystery. Researchers from ... at the Norwegian University of Science and Technology, said in a statement.

Scientists say they have observed one of the highest-altitude acts of bird predation ever recorded. By Jason Bittel In January 2023, scientists attached tracking devices to eight grey plovers on ...

When it first opened to the public, in 1838, it was advertised as an unexplained mystery. Apparently workmen had stumbled upon the “curious and interesting sight” while digging in the garden ...