A major evolutionary theory says most genetic changes don’t really matter, but new evidence suggests that’s not true. Researchers found that helpful mutations happen surprisingly often. The twist is ...

Explore the fascinating ways dog breeds continue to evolve through genetic influences. Coat Length The fluffy Afghan Hound ...

Tiny genetic variations between humans, Neanderthals and Denisovans might not be all they were cracked up to be.

Evolution is slow, but with the right experimental set-up—and enough time to spare—you can watch nature do its methodical ...

MPN-BP transformation is driven by sequential mutations disrupting genomic stability, with TP53 mutations being strong predictors of progression. TP53 mutations confer a selective growth advantage, ...

Woodrats weigh less than half a pound but can survive venomous rattlesnake bites that would hospitalize, or even kill, a full ...

A study in fruit flies suggests an internal genomic arms race may be driving rapid evolution in proteins that still perform an essential, unchanging job: protecting chromosome ends.

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 ...

Life’s most indispensable molecules are not the serene, unchanging fixtures they might appear to be. Even the proteins that ...

Charles Darwin's theory of evolution generated scientific debate and discussion not only in Darwin's own time, but for decades afterward. In the latter part of the nineteenth century and the until the ...

The present theory offers a unified solution to three closely related evolutionary problems. (1) Why does an evolving population explore only a small fraction of the accessible pathways in genotype ...