Evolution

The Wrists of Birds Reveal Evolution Undoing Itself

Contrary to earlier claims, a new study shows that evolution may be reversible

One Orangutan Has Learned to Sound Just Like Us

This defies scientists’ former assumption that great apes just couldn’t learn new calls

Ancient Dogs Likely Arrived in America Thousands of Years After Humans

New research on dog DNA shows that they migrated to the new world much later than initially thought

Ants Usually Turn Left While Exploring

It's a sinister version of human's tendency towards right-handedness

Researchers found that human joint-bone density remained pretty high until recently in our evolutionary history, around the same time that humans began switching from hunting and gathering to farming.

Switching to Farming Made Human Joint Bones Lighter

A more fragile skeleton evolved about 12,000 years ago, probably driven by a shift from hunting to agriculture

Aspidoscelis neavesi, a species unlike any other.

This New Lizard Species Evolved in a Lab

The novel reptile shows that hybrids can indeed lead to viable species, but not by the normal reproductive route

Beware of this meat-eating Albertosaurus on the Royal Tyrrell Museum plaza.

Want to Excite Your Inner Dinosaur Fan? Pack Your Bags for Alberta

Canada’s badlands are the place to see fantastic dinosaur fossils (and kitsch)—and eye-opening new evidence about the eve of their fall

Scientists Finally Figure Out the “Big Bang” of Bird Evolution

The genomes of 45 birds contributed to the most in-depth bird evolutionary tree ever created

A humpback whale in waters off southern Oman.

Humpback Whales in the Arabian Sea Have Been Isolated for 70,000 Years

Conservationists want this particular population of humpbacks to be classified as critically endangered

Scientists found deliberate scratching on a fossil Pseudodon, likely an engraving made by Homo erectus at Trinil in Indonesia.

Zigzags on a Shell From Java Are the Oldest Human Engravings

The early human <em>Homo erectus</em> also made the oldest known shell tools half a million years ago

Galapagos sea lions laze on the beach.

A Major Galapagos Conservation Foundation Is Running Out of Cash

A fight over selling souvenirs on the Galapagos is threatening conservation efforts

Why Do Humans Have Thumbs?

There’s a never-ending stream of theories about Homo sapiens’ most important digit

Chacma baboons (Papio ursinus) fight. Infanticide in baboons is driven by a mating structure built on male competition.

Why Some Mammals Kill Babies of Their Own Kind

Male mammals that commit infanticide developed the behavior in response to their species' mating style

Bill Nye enthusiastically greets students and faculty at Cal State Fullerton in California earlier this year.

Bill Nye on the Risks of Not Debating With Creationists

Bill Nye the Science Guy has a book out on evolution. Here’s what he has to say

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Left-Handed People Have Less Specialized Brains

Diversity means flexibility, even if being left-handed can be super annoying

A common vampire bat (Desmodus rotundus) isn't as scary as its name might suggest.

Seven Vampires That Aren’t Bats (Or Bela Lugosi)

From flying frogs to deep-sea squid, meet some of the other nosferatu of the animal kingdom

The Pope Would Like You to Accept Evolution and the Big Bang

The Roman Catholic Church is pro-evolution and Big Bang, but with a twist

A group of great tit birds (Parus major) perch on a dead tree stump during a snowfall in Poland.

Ten Species That Are Evolving Due to the Changing Climate

From tropical corals to tawny owls, some species are already being pushed to evolve—but adaptation doesn’t guarantee survival

Invaders From Cuba Force Florida Lizards to Quickly Evolve (Or Get Out)

In just 15 years, green anoles changed their behavior and evolved bigger, stickier toes to escape alien competitors

To be or not to be human? That's a question some scholars still feel is up for debate when it comes to Homo floresiensis.

Ten Years On, the Flores “Hobbit” Remains an Evolutionary Puzzle

Why was the 2004 unveiling of a small hominin dubbed <em>Homo floresiensis</em> such a big deal?

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