A tiny snail discovered in a cave in southwestern China has become the first freshwater cave snail ever recorded within...

Green hydrogen has long been promoted as a key component of a low-carbon energy system, but its expansion has been...

Smithsonian researchers have reconstructed the most comprehensive evolutionary map yet of Hawaii’s honeycreepers, a spectacular group of birds whose rapid...

A Bonnethead Shark’s Unusual Head Shape Is Not What Scientists Thought For decades, the bonnethead shark’s distinctive shovel-shaped head has...

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...