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'Top predator' from the Jurassic measures just half a meter

The "top predator" from the Jurassic is relatively small: Megacauda sungei measures just half a meter (1.6 feet) from its nose to the tip of its tail. The furry ancestor of today's mammals hunted its prey in water 165 million ...

Rare insect discovery reveals a new species from the dinosaur age

Some 99 million years ago, during the age of the dinosaurs, a tiny insect belonging to a species previously unknown to science became trapped in tree resin. The resin hardened and turned into amber, and the fossil preserved ...

Pollen study reveals the hidden history of grasses

Scientists used machine learning and super-resolution microscopy to overcome a challenge that has stymied research into the natural history of grasses for decades. Their method allowed them to detect subtle differences among ...

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Plants & Animals
Extinct bovine species discovered in Siberia reveals lost relative of yaks
Evolution
Animals may have evolved vastly earlier than fossil evidence suggests
Ecology
The vanishing of aurochs: Genetic evidence reveals multiple stressors at the same time
Evolution
Adult fossil strengthens evidence for Homo erectus in southern Africa 2 million years ago
Paleontology & Fossils
Fossil long known as world's oldest reptile dethroned
Ecology
Dinosaur snacked on seaweed washed up on North American coasts, fossil teeth suggest
Evolution
New feathered, winged dinosaur from China challenges our theories on bird and dinosaur evolution
Plants & Animals
Ancient bird becomes second Australian species to be named from the Cretaceous period
Paleontology & Fossils
8-million-year-old rhino skull found in Crete
Paleontology & Fossils
An ancient human face emerges from pieced together Moroccan fossil remains
Paleontology & Fossils
New species of proto-amphibian described by students, named in honor of their mothers
Paleontology & Fossils
A treasure map to search for past marine life
Paleontology & Fossils
Bizarre new dinosaur with giant claws discovered in China
Evolution
Bat genomes and fossils point to a European origin 65 million years ago
Paleontology & Fossils
Queasy plesiosaurs swam to shore to vomit, Jurassic fossils reveal
Paleontology & Fossils
Elusive builders of nearly perfect hexagonal tunnel fossils were probably small crustaceans—not worms
Ecology
Capybaras in the desert? Fossil casts doubt on Atacama as world's oldest continuously dry region
Evolution
Endurance running or endurance diving—which came first?
Paleontology & Fossils
Tyrannosaurus rex teeth reveal a body temperature close to the human average
Evolution
Bone strength study reveals new clues about human evolution

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Biochemistry
A new way to replace carbon with nitrogen atoms could lead to better medicines
Earth Sciences
'Atmospheric rivers' helped open a Portugal-sized hole in Antarctica's winter sea ice
Astronomy
Webb spots possible early-universe supernova just days after it happened
Molecular & Computational biology
Mushroom-derived peptides boost saltiness by up to 70%, offering a path to low-sodium foods
Mathematics
Newly discovered 3D 'chair' shape can fill all space without repeating patterns
Astronomy
Vera Rubin Observatory spots the largest ultra-fast spinning asteroid yet
Biotechnology
Sequence changes help modified mRNA avoid protein-making errors to improve vaccine design
Cell & Microbiology
Candida auris copies its entire genome to survive antifungal treatment, research reveals
Condensed Matter
Quantum physicists trace a century of controlling spin
Cell & Microbiology
Newly discovered antiviral system in bacteria is 'strangest of its kind'
Earth Sciences
Satellite model finds Alpine peatlands may be smaller than official maps show
Biochemistry
New electrochemical sensor could make food quality testing faster and less expensive
Cell & Microbiology
3D map of rice development charts gene activity across plant's entire life cycle
Optics & Photonics
Ultrashort laser pulses offer a new way to probe electrons' quantum geometry
Plants & Animals
World's largest penguin colony loses its title after decline of more than 250,000 breeding pairs
Cell & Microbiology
Natural RNA modifications in archaea mirror those used in medicine
Plants & Animals
Humans and songbirds hear the same sounds, but organize them differently
Biochemistry
Chemical surroundings, not size alone, help glucose-processing enzyme stay active as temperatures rise
Evolution
Scientists discover 'D-rex', a giant fungus from Chinese forests whose unique lineage dates back 65 million years
Social Sciences
Variations in the human vocal tract could have influenced language diversity