For more than 170 years, paleontologists have been trying to solve the mystery of what created the strangely uniform hexagonal tunnels found in fossils. In a new study published in Earth Science Reviews, a team of researchers ...
A new study led by researchers at the University of California, Santa Cruz, has overturned decades of assumptions about Miracinonyx trumani, the extinct predator popularly known as the American cheetah. By analyzing nuclear ...
Evolution
Sep 4, 2026
0
263
Bipedalism, or walking on two legs, is one of the key features that distinguishes humans from other apes. But when and why our ancestors transitioned from a life often spent in trees to a life spent almost exclusively on ...
Evolution
Sep 16, 2026
0
262
It walked on two legs and may have looked like a feathered bear with giant claws. Meet Kayrasaurus changliensis—well, its almost complete skeleton, to be precise.
Ask any zoo-goer and they will tell you that capybaras are adorable. Ask a scientist specializing in the rodents, which resemble oversized guinea pigs, and they will tell you they are obligate semiaquatic herbivores that ...
Ecology
Sep 17, 2026
0
161
Long before dinosaurs appeared on Earth, fierce predatory fish developed crushing jaws and sharp teeth to survive and diversify in ancient oceans.
Paleontology & Fossils
Sep 13, 2026
0
159
With their slender bodies and long front legs, Miracinonyx trumani—often nicknamed the "American cheetah"—was long thought to be a North American analog of the African big cat. But in a new study published in the journal ...
Evolution
Sep 6, 2026
0
158
Tiny flowers trapped in amber around 15 million years ago are offering scientists a rare glimpse into the plant life of a tropical rainforest in what is now Southeast China. Researchers have studied two exceptionally well-preserved ...
Evolution
Sep 10, 2026
0
157
A broken rib from Scotty, the largest T. rex skeleton discovered, is helping scientists uncover new information about life on Earth 66 million years ago. Scotty's rib preserves something rarely seen in the fossil record: ...
Biotechnology
Sep 3, 2026
0
154
Finding a fossilized dinosaur egg is exceptionally rare, but finding a stash of more than 250 shell fragments in the chilly southern reaches of the planet is even more surprising. The discoveries come from southernmost Patagonia ...
