1,931 results
- Paleontology
Tyrannosaurs fought and ate each other
Evidence from a tyrannosaur skull and jaw fossils add to the argument that the ancient reptiles fought and weren’t above scavenging their own.
- Plants
Flowers’ roles considered in ecosystems and economics
In ‘The Reason for Flowers’, a pollination ecologist chronicles the science and culture of blossoms from the dawn of humanity.
- Astronomy
Peeks into early life of supernovas show how to blow up a star
Multiple supernovas show off some of the ways a star can explode.
- Plants
How slow plants make ridiculous seeds
Coco de mer palms scrimp, save and take not quite forever creating the world’s largest seeds.
- Archaeology
Feedback
Readers ask questions about a study on sweeteners, how scientists recognize primitive tools and the purpose of a dinosaur's sail.
- Paleontology
Stegosaurus landed a low blow in dino brawl
During a dinosaur scuffle 147 million years ago, a stegosaurus whipped an allosaurus in the crotch.
- Paleontology
‘Dinosaurs Without Bones’ gives glimpse of long-gone life
Ichnologist Anthony J. Martin explains his research piecing together dinosaurs’ lives from footprints and other traces.
- Paleontology
Museum fossil links snakes to lizards
Scientists have discovered the fossilized remains of the first four-legged snake. The fossil bridges the gap between snakes and lizards.
- Life
Dinos straddled line between cold- and warm-blooded
Tyrannosaurus rex and other dinosaurs straddled line between cold- and warm-blood, a new analysis finds.
- Animals
Year in review: Insect, bird evolution revisited
Insects got an entirely new family tree after an extensive genetic analysis rearranged the creatures' relations.
- Climate
Rate of atmospheric carbon dioxide rise unprecedented
The current rate of carbon dioxide entering the atmosphere is unprecedented over at least the last 66 million years, new research shows.
- Paleontology
Asteroid strike spurred quick chill that led to dinosaurs’ demise
After an asteroid struck Earth 66 million years ago, ocean temperatures fell 2 degrees Celsius, leading to mass extinction of dinosaurs and other life.
