These articles explore evolution - the changes seen in the inherited traits of a population from one generation to the next. Evolution is one of the great mysteries of biology, since it is a slow process and difficult to study.
First U.S. Woman Gives Birth From Transplanted Uterus
Plants Can Defend Themselves by Making Caterpillars Turn Cannibal
Saharan Dust: The Good, the Bad and the Gritty
Twin Monkeys First-Ever Cloned Like Dolly the Sheep
Can You Hear Something That Doesn’t Make a Sound?
Cheddar Man was a dark-skinned, blue-eyed Stone Age Brit. You don't see those every day.
By Jesslyn Shields Feb 16, 2018
Think you could beat a prehistoric woman in an arm wrestling match? Think again.
By Jesslyn Shields Dec 4, 2017
Saudi Arabian rock engravings could be the oldest artistic rendering of human-dog relationships ever discovered. It's certainly the oldest depiction of a leash.
By Jesslyn Shields Dec 1, 2017
In recent years, three mummified cubs from an extinct lion species have emerged from the Russian permafrost. Cloning might be possible, but is it wise?
By Jesslyn Shields Nov 20, 2017
New research suggests Neanderthals went extinct, not because we outcompeted them, but because we took over their ecological niche.
By Jesslyn Shields Nov 14, 2017
Fossils of a "missing link" may never be found, but new research shows apes' last common ancestor may have been smaller than previously thought.
By Jesslyn Shields Oct 20, 2017
Neanderthal genes may be to thank for your skin tone, hair color and even smoking habit.
By Kate Kershner Oct 18, 2017
Over the course of one frigid winter, green anole lizards in Texas changed up their genetic makeup to help them better tolerate cold.
By Jesslyn Shields Aug 14, 2017
Researchers have deduced that Homo sapiens reached Australia 65,000 years ago, extending our presence Down Under by 10,000 years.
By Patrick J. Kiger Jul 28, 2017
Frogs owe a debt to that giant asteroid, a new study finds, opening up evolutionary options previously blocked by dinos.
By Jesslyn Shields Jul 6, 2017
Were hobbits and giants real? And are they distant relatives of humans?
By Diana Brown Jun 13, 2017
Remains in Morocco push back Homo sapiens origins at least 100,000 years — and show that our species evolved neither in the way nor place we've assumed.
By Jesslyn Shields Jun 9, 2017
Homo floresiensis, popularly known as a hobbit, is an extinct, miniature human species that might be much, much older than previously thought.
By Jesslyn Shields May 2, 2017
Do ancient human remains mean we've found an ancient ancestor? It's not always that simple.
By Patrick J. Kiger Apr 26, 2017
Temperature and humidity might have determined nostril width.
By Alia Hoyt Mar 29, 2017
The ability to see food on land might explain why our fish ancestors evolved, eventually growing limbs so they could stalk the abundance of prey on land.
By Kate Kershner Mar 21, 2017
A group of researchers is pressing to rethink Modern Synthesis, a version of evolutionary theory we've used since the 1940s to explain how species change and adapt.
By Patrick J. Kiger Dec 13, 2016
A statistician dove deep into human DNA and may have uncovered a possible new branch on the old family tree.
By John Donovan Nov 3, 2016
Humans are the only animals that strongly favor dominant right hands. This trait might be much older than suspected, perhaps going back 1.8 million years to Homo habilis.
By Jesslyn Shields Nov 1, 2016
You'd think being able to smell drinkable water would be an evolutionary advantage. But we can only smell things that suggest potable water. Why is that?
By Jesslyn Shields Oct 27, 2016
Researchers subjected a bunch of E. coli to deadly levels of antibiotics. It didn’t take that long for the bacteria to become drug-resistant, as this video shows.
By Kate Kershner Sep 14, 2016
Neanderthals may be long gone, but their genetic footprint lives on — in us.
By Robert Lamb Jun 10, 2016
You might want one, but chances are you don't have one. Why is that?
By Laurie L. Dove Apr 12, 2016
The newly developed family tree of Earth’s 2.3 million species is a first draft of the 3.5-billion-year history of evolution.
By Patrick J. Kiger Jan 4, 2016
Despite what you've heard, size does matter, but not in the way you may have thought. Following a mass extinction smaller not larger, may be better.
By Karen Kirkpatrick Nov 30, 2015
Festive, Freakish, Flammable: Our Best Stories You Might Have Missed This Week
Room-temp Pizza: A Gamble or Good-to-go?
When Car Sharing and Pets Converge