Animals
What is a dinosaur?
Scientists have named more than 1,000 species of nonavian dinosaurs. Their legacy lives on in the 11,000-plus bird species alive today.
Fossils
More Stories in Fossils
- Fossils
50 years on, Lucy offers lessons for achieving fossil fame
Since the discovery of Lucy's skeleton in 1974, a catchy name and ongoing scientific debates have kept this human ancestor in the spotlight.
- Fossils
Analyze This: How big was the biggest T. rex?
Only around 80 fossil Tyrannosaurus rex skeletons have been found. They probably don’t include the biggest T. rex that ever lived.
- Animals
The last woolly mammoths offer new clues to why this species died out
The last woolly mammoth herd experienced a drop in genetic variation. But this is likely not what doomed these majestic beasts to extinction, new data suggest.
- Fossils
Stunning trilobite fossils include never-before-seen soft tissues
Well-preserved fossils from Morocco help reveal the weird way trilobites ate and perhaps why these iconic animals went extinct.
- Brain
Just how brainy was a T. rex?
A debate rages over how to count brain cells in dinosaurs. At issue: figuring out how these extinct animals’ likely behaved.
- Fossils
This paleontologist studies ancient mammal movement — virtually
Anne Kort uses computers to piece together the fossils of ancient mammals. Studying fossils virtually offers her more ways to study fragile remains.
- Fossils
Young fossil hunters discover rare teen T. rex
In public view, scientists at the Denver Museum of Nature and Science will prepare the fossil for display. Their work will take about a year.
- Animals
Scientists Say: Megalodon
The extinct megalodon (Otodus megalodon) was the largest shark to ever prowl the oceans.
- Life
Bacterial fossils exhibit earliest hints of photosynthesis
Microscopic fossils from Australia suggest that some bacteria evolved structures for oxygen-producing photosynthesis by 1.78 billion years ago.
