Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every ...

Picture this: you’re a scientist digging near the Amazon rainforest, and you pull a jawbone out of the ground that looks so ...

A potted scarlet monkeyflower would die within a few days without water. But multiple natural populations of the species ...

My colleague and I have published a new study of cactus flowers which may help explain the conundrum. For more than a century ...

The story of a wildflower that adapted to a severe drought in California raises hopes that evolution will come to the rescue ...

Lisa Lacriola continues her Species Chronicles series with a thrilling chapter where shifting loyalties, ancient magic, ...

Scientists discover that fast-changing cactus flowers, not size or pollinators, are behind the rapid evolution of new cactus species.

(Volodymyr Yakimchuk/Creatas Video+/Getty Images Plus) A seismic shift in the selection pressures acting on humans may have ...

Behind the stillness of desert landscapes, cacti appear to be changing in unexpected ways. The cactus on your windowsill may ...

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic ...

More than 2.3 million ancient genetic switches discovered in plants reveal how key growth controls endured 300 million years ...

The natural and the social world shaped the evolution of each. Knowing whom to invite to dinner is as important as knowing ...