| May 29, 2013
| 1:50 PM
When did birds first emerge from among the dinosaurs? It’s an argument that has plagued paleontologists and cast a shadow over the reputation of Archaeopteryx, a feathered dinosaur that has long been considered the earliest known bird.
| Oct 15, 2013
| 2:06 PM
Scientists have discovered the last blood meal of a 46 million-year-old female mosquito, and isolated a little fragment of the protein in it, too.
The findings, published this week in the journal Proceedings of the National Academy of Sciences, show...
| Oct 16, 2013
| 12:52 PM
Scientists have discovered the fossilized brain of an animal that lived 520 million years ago. It is the oldest mostly intact nervous system to have ever been found.
The incredible ancient brain and nervous system, described in the journal Nature,...
| Jul 15, 2013
| 5:27 PM
The kids at his elementary school played a game that involved tossing a tennis ball across the yard.
Whenever it was Chris Capuano's turn, everyone backed up a few steps. That's when he realized he was different.
"I threw a little bit harder, a little...
| Aug 7, 2013
| 4:36 PM
Mammals first appeared 215 million years ago during the Triassic period, according to a new study in the journal Nature. Wait, no, they first showed up 175 million years ago during the Jurassic period, said another study in the same issue of the journal....
| Aug 15, 2013
| 5:00 AM
The design for the central building in a reimagined Los Angeles County Museum of Art was inspired by the adjacent La Brea tar pits. Seen from above, the structure's flowing lines resemble a splatter of tar.
But scientists doing the work of recovering...
| Aug 24, 2013
| 9:52 PM
Julie Harris, the delicate yet steely grande dame of the stage whose performances earned her a record five Tony Awards and 10 Tony nominations, died Saturday. She was 87.
Harris died of congestive heart failure at her home in West Chatham, Mass.,...
| Sep 18, 2013
| 3:49 PM
Microraptor, a small dinosaur that lived in northeast China about 120 million years ago, had feathers on its wings, hind legs and tail. But in all likelihood, it didn’t fly like a bird. Instead, it glided from trees and cruised over “medium...
| Jul 5, 2013
| 6:47 PM
Somewhere between 390 to 360 million years ago, a four-legged vertebrate, or tetrapod, crawled out of the water and gave rise to the amphibians, reptiles and mammals we see today.
Scientists have established that this creature descended from fish and...
| Jun 24, 2013
| 5:08 PM
Large and lumpy with a face that looks like it's melting, the Bunostegos was a giant reptile that roamed Earth more than 250 million years ago.
The size of a cow, the Bunostegos thrived in the Permian era, when most of the land on the planet was fused...
| Jun 25, 2013
| 5:45 AM
Far more of Earth’s water was locked up as ice at the height of the last ice age than previously thought, and current climate change models may need to be adjusted to account for it, according to a new study.
The research is the latest salvo...