A massive predator once roamed the Earth, towering over its rivals and casting a long shadow on the ancestors of T. rex. This giant, now known as Ulughbegasaurus, ruled the prehistoric world around 90 ...

The world’s largest rodent is multiplying in — and dividing — one of Argentina’s most exclusive gated communities.

Decades ago, the Bombus affinis species of the bumble bee could be seen thriving across the Eastern and Midwest regions of ...

Many huge animals went extinct surprisingly recently. When they died, their ecological role was lost with them.

The duo initially set out to land an alligator gar weighing more than 110 pounds on a 2-pound test line, according to Sports Illustrated. Weston ended up shattering that goal, landing a 153-pound ...

Biologists and technicians help burrowing owls get their underground homes ready for the season at the site of the ...