1,928 results
- Plants
The fastest-evolving moss in the world may not adapt to climate change
The genus Takakia has the largest number of fast-evolving genes of any moss, a study finds. But it’s losing ground in the warming Himalayas.
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- Paleontology
A newfound dinosaur had tiny arms before T. rex made them cool
A predecessor to Tyrannosaurus rex, Meraxes gigas had a giant head and puny but muscular arms, suggesting the limbs served some purpose.
- Paleontology
The Age of Dinosaurs may have ended in springtime
Fossilized fish bones suggest that the massive asteroid strike at the end of the Cretaceous Period occurred during the Northern Hemisphere’s spring.
- Paleontology
Mammals’ bodies outpaced their brains right after the dinosaurs died
Fossils show that mammals’ brains and bodies did not balloon together. The animals’ brains grew bigger later.
- Science & Society
These are our favorite science books of 2022
Books about dinosaurs, the Milky Way and the coronavirus are among the Science News staff’s picks for must-read books of the year.
- Paleontology
Fossils show a crocodile ancestor dined on a young dinosaur
The 100-million-year-old fossil of a crocodile ancestor contains the first indisputable evidence that dinosaurs were on the menu.
- Humans
Lauren Schroeder looks beyond natural selection to rethink human evolution
Paleoanthropologists studying the fossil record have long focused on natural selection, but other processes play a big role too.
- Paleontology
Mammal ancestors’ shrinking inner ears may reveal when warm-bloodedness arose
An abrupt shift in inner ear shape of mammal ancestors 233 million years ago, during a time of climate swings, points to evolution of warm-bloodedness.
- Paleontology
How mammals took over the world
In the book The Rise and Reign of the Mammals, paleontologist Steve Brusatte tracks the evolutionary innovations that made mammals so successful.
- Paleontology
Pterosaurs may have had brightly colored feathers on their heads
The fossil skull of a flying reptile hints that feathers originated about 100 million years earlier than scientists thought.
- Science & Society
Here are the Top 10 threats to the survival of civilization
These aren’t just movie scenarios. From aliens and asteroids to pandemics, war and climate change, civilization as we know it is at risk.
