The biggest, oldest T. rex found to date shows how big tyrannosaurs could get.
fossils & paleontology
How Did We Get Here?
With a discovery made from fossils in the seabed, paleoceanographers and paleoclimatologists began tracing the delicate path between ancient eras and our future.
Scientists Discover Pristine Collection of Soft-Tissue Fossils
The fossils include jellyfish, box jellies, branched algae, and sponges, which are underrepresented in or missing from other deposits.
More Evidence Humans Migrated to the Americas via Coastal Route
A new chronology shows that ice-free areas existed along the British Columbia coast earlier than previously thought.
Extinct Megatoothed Shark May Have Been Warm-Blooded
Preliminary results from a recent study may begin to shed light on why megalodons died out before the most recent ice age.
Neanderthals Likely Ate Rotten Meat
Neanderthals have long been painted as meat-eating machines. But could a new look at a dietary proxy and how it changes when meat rots uncover insights into what these extinct hominids really ate?
Self-Guided Tour of the Geology in D. C. Buildings
The architecture of the nation’s capital reveals a secret geologic history—take a walking tour to spot the interesting fossils and minerals in the stones used to build the halls of power.
How Did Life Recover After Earth’s Worst-Ever Mass Extinction?
Ocean animals at the top of the food chain recovered first after a cataclysm at the end of the Permian period. The extinction was triggered by events resembling the changes brewing in today’s oceans.
Fossilized Caribbean Corals Reveal Ancient Summer Rains
Isotope records and climate modeling suggest that the rainy Intertropical Convergence Zone expanded northward into the southern Caribbean during a warm interglacial period about 125,000 years ago.
Images Suggest a Viral Role in Some Rock Formation
Viruses might have helped transform dense bacterial colonies into a type of sedimentary rock that is frequently associated with underground oil reserves.