It’s the largest migration of big beasts on Earth.

Researchers are using GPS-wearing opossums to track down the invasive Burmese pythons in Florida. We explain how it's done.

Scientists discovered a 6-million-year-old fossil jaw in Spain that pushes the origin of weasels much further back in time.

The giant kraken, a mythical marine beast, may not be entirely fiction. New evidence suggests that octopuses up to 62 feet ...

A fossil beak from an ancient octopus has forced scientists to rethink who ruled the Cretaceous seas. Researchers say two ...

Interpersonal tensions between colleagues can be costly for businesses. Even the specter of a threat can sap concentration, ...

Experts Explain Why Some U.S. Predators Are Active at Unexpected Hours Now and How to Stay Safe ...

The evolutionary case for eating meat is etched into human anatomy — but so is the case against it. The science deserves more ...

Illegal trafficking threatens the survival of hundreds of tarantula species, contributing to global losses in biodiversity.

The kraken: a giant squid or octopus of myth, seems to have swam in the Cretaceous oceans, a Japanese study shows.

Domestic cats account for more bird deaths per year than any other cause. Somewhere between 1 to 3 billion birds are killed ...

Octopuses' earliest relatives may have been gigantic predators hunting during the age of dinosaurs, according to new Hokkaido ...