Throughout history, humans have often believed they fully understood the world around them. You could travel back 500 years, ...
An in-depth analysis reveals that for each identified vertebrate species, there may be two others, nearly identical in ...
Researchers at the University of Arizona say there may be at least twice as many vertebrate species as previously recognized.
Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...
A cheetah pouncing on a gazelle. A bear snatching a fish out of the water with its claws. And the most dangerous predator of them all? A human and their pet bird dancing to “Gangnam Style.” Scientists ...
Most mammals wear coats of brown, black, and gray, while parrots flash brilliant reds, reef fish shimmer in electric blue, and chameleons shift between greens and golds. This disparity is not random.
Scientists have long observed that embryos of different species within a phylum look quite distinct at early and late ...