Marine animals shrink more during periods of climate warming, according to a study spanning nearly 500 million years of Earth ...

Across much of North America, two native wild cats move through forests, deserts, mountains and scrubland, often unnoticed by ...

When that happens, animals may compete in ways scientists do not often get to observe in the wild.

For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

WASHINGTON - A flesh-eating parasite known as the New World screwworm is raising concern as officials warn about the threat ...

A remarkable fossil forest reveals dinosaurs may have helped spread fruit-bearing plants tens of millions of years earlier ...

Washington D.C.’s Freedom 250 celebration shattered records with nearly a million fireworks in 40 minutes, but the spectacle ...

A new study in PLOS Biology of 133 species of flies, mosquitoes and their relatives shows that most species fly in ...

Shocking new figures released by the RSPCA show a massive 64% annual increase in cruelty reports to the charity during the ...

Walking through the front door does not prepare you for what comes next: room after room of full-body wildlife mounts ...

A new fossil discovery in Canada is rewriting part of the story of how animal life began. The remains of creatures that lived ...

So far this calendar year, 10 grey whale carcasses have been discovered off the shores of B.C., and 30 in Washington state.