A microscopic animal best known for surviving some of Earth’s harshest conditions has become the focus of a discovery that...

Snakes may be among nature’s most successful evolutionary experiments, but their origin has never followed a simple script. Today, more...

Butterflies are often treated as symbols of beauty, but their ecological importance is far more consequential. Because they respond quickly...

A new mathematical study of competing populations suggests that winning the evolutionary race is not determined by reproductive fitness alone....

For more than a century, the South African butterfly lilies of the genus Wachendorfia have challenged botanists with a striking...

Fertilization is usually portrayed as a microscopic race: millions of sperm cells competing to reach a single egg, with only...

A buried chapter in the history of the Americas may explain why North American mammals ultimately dominated one of the...

For millions of years, Africa was home to an extraordinary parade of giant plant-eaters: elephant relatives with unfamiliar tusks, massive...

Barragán Fonseca, K.Y., Mertens, D., Beschoren da Costa, P. et al. By-products of insect farming as a novel sustainable biofertilizer...

First study to map the surprising friendships primates strike up with dogs, deer, squirrels and other species   Why do...