Paleontology
- Paleontology
How to tell if a T. rex is expecting
A “pregnancy” test for tyrannosaurs relies on chemical analyses of medullary bone, a reproductive tissue found in female birds.
By Meghan Rosen - Paleontology
True nature of ‘Tully monster’ revealed
The identity of a 300-million-year-old enigmatic creature known as the “Tully monster” is a mystery no longer.
By Meghan Rosen - Paleontology
New tyrannosaur bridges gap from medium to monstrous
Horse-sized Timurlengia euotica had a brain and ears like its bigger relative Tyrannosaurus rex, which lived millions of years later.
By Beth Geiger - Paleontology
Free virtual fossils for everyone
MorphoSource.org archives 3-D images of bones from over 200 genera of both living and extinct animals.
By Erin Wayman - Paleontology
Lizards locked in amber provide clues to reptile evolution
Amber-encased lizard remains that date to 99 million years ago may shed light on the evolution of geckos and chameleons.
- Paleontology
Fossil reveals an ancient arthropod’s nervous system
A roughly 520-million-year-old fossil preserved an ancient arthropod’s ventral nerve cord and peripheral nerves.
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- Paleontology
Surprise! Ancient armadillos are related to modern armadillos
DNA evidence proves that ancient glyptodonts are indeed related to today’s armadillos, as Charles Darwin suspected.
- Paleontology
Plesiosaurs swam like penguins
Computer simulations of plesiosaur swimming motion may resolve long-standing debate on how the marine reptile got around.
- Paleontology
Fossils provide link in dino crest evolution
Fossils from a newly identified duck-billed dinosaur in Montana could explain how their descendants developed flamboyant nose crests.
- Paleontology
Saber-toothed salmon teeth more like tusks than fangs
Saber-toothed salmon teeth may not have been positioned like fangs at all.
By Susan Milius - Particle Physics
Dark matter helped destroy the dinosaurs, physicist posits
In ‘Dark Matter and the Dinosaurs,’ Lisa Randall finds connections between particle physics, cosmology, geology and paleontology.
By Andrew Grant