To survive asteroid impact, algae learned to hunt

Tiny, seemingly harmless ocean plants survived the darkness of the asteroid strike that killed the dinosaurs by learning a ghoulish behavior—eating other living creatures.

Early Earth may have been a 'waterworld'

Kevin Costner, eat your heart out. New research shows that the early Earth, home to some of our planet's first lifeforms, may have been a real-life "waterworld"— without a continent in sight.

Size of mammals exploded after dinosaur extinction

Researchers demonstrate that the extinction of dinosaurs 65 million years ago made way for mammals to get bigger - about a thousand times bigger than they had been. The study, which is published in the prestigious journal ...

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