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Scientists discover the oldest known modern crab in amber

Researchers have discovered the oldest known modern crab — trapped in amber since the time of the dinosaurs. The 100-million-year-old fossil of the crab, Cretapsara...

Changing ocean currents are driving extreme winter weather in the US

Throughout Earth's oceans runs a conveyor belt of water. Its churning is powered by differences in the water's temperature and saltiness, and weather patterns around...

Early dinosaurs may have lived in social herds as early as 193 million years...

To borrow a line from the movie “Jurassic Park:” Dinosaurs do move in herds. And a new study shows that the prehistoric creatures lived in...

This dinosaur era crab in amber helps fill in evolutionary gap

A young crustacean locked in amber 100 million years ago is filling a crucial gap in the puzzle of crab evolution, according to a...

No one outruns death, but hunter-gatherers come closest

Our sedentary tendencies may be robbing us of a key benefit of physical activity: The myriad repair mechanisms that heal the minor dings and tears...

By 2500 earth could be alien to humans, shows study

To fully grasp and plan for climate impacts under any scenario, researchers and policymakers must look well beyond the 2100 benchmark. Unless CO2 emissions drop...

Scientists detect 1652 radio bursts from 3 billion light-years away

What seemed a cosmic trickle almost a decade ago now appears as a rapid-fire barrage from across the universe. An international team of astronomers including...

Mass extinction changes rules of body size evolution

Scientists at Stanford University have discovered a surprising pattern in how life reemerges from cataclysm. Research published Oct. 6 in Proceedings of the Royal Society...

Scientists find a previously unknown mass extinction event

Sixty-three percent. That’s the proportion of mammal species that vanished from Africa and the Arabian Peninsula around 30 million years ago, after Earth’s climate shifted...

Why asteroid Bennu has so craggy surface

Scientists thought asteroid Bennu's surface would be like a sandy beach, abundant in fine sand and pebbles, which would have been perfect for collecting...