On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs.

A newly discovered prehistoric mammal reveals how small, adaptable species may have survived Earth’s deadliest extinction ...

The infamous Apophis asteroid is now less than three years from its historic 2029 Earth flyby, offering a rare science ...

From preserved plants to T. rex, the material found in these Late Cretaceous rocks has resulted in countless breakthroughs ...

Steve Brusatte, author of The Rise and Fall of the Dinosaurs and The Story of Birds, recommends 10 dinosaur books to dig into ...

Now, scientists are asking a new question: could they have been smarter than we think? Researchers are studying modern birds ...

Hell Creek is one of the few places where fossils capture life just before a mass extinction The site contains remains of ...

Spring is a time for budding flowers, tender green leaves and baby animals. But 66 million years ago, that gentle season instead brought mass death and carnage from Earth's catastrophic impact with a ...

What is behind the surge in ufology? The recent spike can be traced to the top of the US government, which inspired me to start investigating ...

Scientists estimate there are thousands of asteroids large enough to destroy a city near Earth. NASA is sending a telescope into space to find them.

The discoverer of the first exoplanet speaks to EL PAÍS about the next big breakthrough he hopes to see: the first planet ...