Science is rarely straightforward. Many times, scientists embark on a study looking for evidence for a particular hypothesis, ...

Regeneration is a trick many animals, including lizards, starfish, and octopuses, have mastered. Axolotls, a salamander species originating in Mexico, can regrow pretty much everything from severed ...

A random mutation in a gene can alter its function and bring about a new characteristic that can pass down for many generations, but this may not be the only way that organisms can inherit a trait.

Putting the uniquely human version of a certain gene into mice changed the way that those animals vocalized to each other, suggesting that this gene may play a role in speech and language. Mice make a ...

Altering a single gene may help people lower dangerously high levels of cholesterol and other fats in the blood, according to new research presented Saturday at the annual meeting of the American ...