
Oldest Dinosaur Embryo Fossils Discovered in China
A nesting site has yielded the earliest known organic remains of a terrestrial vertebrate

Oldest Dinosaur Embryo Fossils Discovered in China
A nesting site has yielded the earliest known organic remains of a terrestrial vertebrate

High-Altitude Ice Reveals a Climate on the Rocks
Ohio State glaciologist Lonnie Thompson has spent a career unlocking climate secrets frozen at the top of the world's highest mountain ranges


Deciphering the Program of the World's First Computer [Video]
Latest NOVA episode takes a deep dive inside the mysterious Antikythera Mechanism

Expiration Fate: Can "De-Extinction" Bring Back Lost Species?
Adherents of "de-extinction" hope to see al world repopulated with species thought lost to the planet--but there are some major caveats

Ocean Circulation May Have Released CO2 at End of Ice Ages
New research suggests oceans play a critical role in climate by regulating greenhouse gas levels

Tiny Primitive Mammal Unearthed in Japan
The discovery of the jaw of a 112-million-year-old mammal from the early Cretaceous Period suggests that small creatures were already evolving quickly

Found: Africa's Oldest Penguins
A new fossil discovery could shed light on why the number of penguin species plummeted on Africa's coastline from four species 5 million years ago to just one today—the jackass penguin

Triassic Extinction Tied to Massive Lava Spills
A dating technique has pinned down four volcanic eruptions that may have triggered the extinction event that cleared the way for dinosaurs to dominate Earth for the next 135 million years

2,400-Year-Old Myths of Mummy-Making Busted
Despite detailed descriptions by Herodotus, very few mummies, if any, were eviscerated with cedar oil enemas, research suggests

3,300-Year-Old Egyptian Skeletons Reveal Lower Classes' Hard Lives
More than three quarters of the adults showed signs of degenerative joint disease, likely from hauling heavy loads, and about two thirds of these adults had at least one broken bone

Fossils of Earliest Old World Monkeys Unearthed
The fossils, three million years older than previous remains found to date, reveal that early colobine monkeys apparently coexisted with other, more archaic primates. Competition with colobines could have helped drive the other groups to extinction

Will We Kill Off Today's Animals If We Revive Extinct Ones?
De-extinction hopes to revive mammoths, gastric frogs and other missing species, but it might undermine the conservation of creatures that still survive