Add Yahoo as a preferred source to see more of our stories on Google. A scientist strapped on climbing gear and lowered themselves into a pit-like cavern in eastern Serbia. Deep in the “underground ...

Ancient sloths lived in trees, on mountains, in deserts, in boreal forests and on open savannas. Some grew as large as elephants. Illustration by Diego Barletta The largest sloth of all time was the ...

A global study found that large animals consume far more ecosystem energy than expected, challenging long-standing ecological theories.

Add Yahoo as a preferred source to see more of our stories on Google. Scuba divers strapped on their gear and plunged into the darkened water off the coast of Florida. Equipped with flashlights, the ...

Along the banks of the Lacantún River, a hollow tree hid two creatures never before reported in Mexico. Just a stone's throw from an "extensive, well‑preserved tract of tropical rain forest," two ...

Scientists found “large” creatures with spines on their bellies near a waterfall in Vietnam and discovered a new species, a study said. Photo from Pham, Hoang, Phan, Pham, Ong, Nguyen, Ziegler and ...

Scientists boarded a submersible and plunged into the depths of the South China Sea. Thousands of feet below the surface, they encountered a “large” spine-covered creature. It turned out to be a new ...

The largest sloth of all time was the size of an elephant. Known to paleontologists as Eremotherium, the shaggy giant shuffled across the woodlands of the ancient Americas between 60,000 and five ...

As darkness settled across southern China, a "large" creature with spines on its belly sat in a stream. Its multicolored eyes searched the nearby forest, but it wasn't the only one looking around.

Scuba divers strapped on their gear and plunged into the darkened water off the coast of Florida. Equipped with flashlights, the divers searched the depths and found a “large” sea creature with ...