Ancient snakes once possessed four limbs, but evolution dramatically reshaped them. A genetic 'switch' called the ZRS ...

A new study by investigators at Dana-Farber Cancer Institute and Harvard Medical School is providing one of the most detailed ...

Genetic tweaks allowed early humans to stand, balance and walk on two legs instead of moving on all fours like other primates ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: Is evolution a gradual process or a punctuated one, ...

How did horses become some of the greatest athletes in the animal kingdom? Researchers at Johns Hopkins Medicine may have found the answer, pinpointing a genetic mutation and evolutionary process that ...

Research from UChicago dissects how a single genetic switch helps butterflies mimic wing patterns of other species to protect ...

Scientists discovered a new kind of trapdoor spider under California’s sand dunes, showing how isolation helps spiders evolve ...

A vaccine that tackles the bacteria that cause up to 200 million childhood infections every year could be possible, experts ...