Biologists are closing in on a puzzle that seems to turn classic evolutionary logic inside out, yet may be so common that it ...

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 ...

Some ants thrive by choosing numbers over strength. Instead of heavily protecting each worker, they invest fewer resources in ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have evolved testicles of all different sizes. In almost all these separate cases, ...

The tallest man to ever live was Robert Wadlow, who reached a staggering 2.72m. That's equal to a very large male ostrich or Shaquille O'Neal with two bowling pins balanced on his head. Wadlow had a ...