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Mosasaurs were the apex predators of the oceans during the reign of the dinosaurs, but new research reveals dinosaurs weren't safe from them in rivers either.

An elusive wild cat long feared extinct in Thailand has been rediscovered three decades after the last recorded sighting, conservation authorities and an NGO said Friday.

Dogs have been 'man's best friend' for thousands of years, which is a long time to get to know each other.

Every year, many of us bravely announce our resolutions for the new year.

As a young star develops, so too does a protoplanetary disk of dust and gas around it, ready to birth new planets.

You're reading a report and trying to concentrate.

'Mini-brains' grown in the lab allow scientists to study brain wiring without interfering with brains in living people, and now a new study has used these scaled-down models to identify neural signatures associated with schizophrenia and bipolar ...

There's no escaping the unrelenting passage of time, but supercentenarians who live to see their 110th birthday have a peculiar ability to postpone the inevitable.

For many people, the run-up to Christmas is filled with excitement and anticipation.

Some 1.2 billion light-years from Earth, a massive event is unfolding on cosmic scales.