Earlier this year, a group of researchers published a paper on the remarkable phenomenon of sex reversal in several ...

Modern researchers know about the cuckoo’s cross-species brood parasitism – but one Roman emperor observed this more than 700 ...

An expedition records 29,556 animals in the abyssal trenches and reveals how they survive the pressure and total darkness.

Join us as we explore Costa Rica in search of its most iconic wildlife! From dense rainforests to hidden trails, witness the ...

From woolly mammoths to giant sloths, via some lesser-known ice-age beasts like 'killer koalas', the visuals in this ...

Humans didn’t discover the presence of infrared light until well into the 1800s, and it’s taken us significantly longer to begin to crack what this portion of the visible light spectrum means. But ...

The lizard in this extraordinary Instagram post made the mistake of thinking that he had nothing to fear from squirrels. After all, these cute rodents with bushy tails are only interested in ...