Around 66 million years ago, a six-mile-wide asteroid hit Earth, triggering the extinction of three-quarters of all living ...

There was likely not a single definitive cause of this period of mass extinctions, but oxygen levels in the ocean continually dropped at this time. A combination of several major stresses ...

Once again, sea creatures took the biggest hit. Theories point to rising and falling sea levels, climate change, or even asteroid impacts. One idea suggests that expanding plant life on land may ...

Woolly mammoths, Tasmanian tigers, not-really-dire wolves – increasingly, genomics has revealed itself as a major potential ...

When a major cyclone tears through an island nation, all efforts rightly focus on saving human lives and restoring ...

An asteroid strike 66 million years ago caused millions of species to go extinct—including many mollusks. By studying the ...

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Their ancestors have survived two mass extinctions over 230 million years and scientists have uncovered a new secret to their evolutionary success and longevity. The prehistoric relics are ...