When it comes to dinosaur extinction, the working idea is what’s called the bolide impact. This is the hypothesis that a meteorite came to the surface of the Earth, hit the Earth and led to the ...

The arrow doesn't just go in one direction." Dinosaurs became extinct after a large asteroid slammed into the Yucatan Peninsula. Scientists looking for evidence of the asteroid saw that the rocks ...

A newly described dinosaur that appears to have persisted beyond a catastrophic die-off is forcing scientists to rethink how mass extinctions actually play out on the ground. Instead of a clean break ...

So in one way, dinosaurs never went extinct; they just turned into birds. However, in the stricter sense of the word, dinosaurs had a whole combination of anatomical and behavioral characteristics ...

After years of detective work, University geosciences professor Gerta Keller and her colleagues have found that an intensive period of volcanic eruptions and a series of asteroid impacts likely ended ...

Everyone knows what a bird is – and pretty much everyone knows what a dinosaur is. But not everyone is aware that birds evolved from dinosaurs approximately 160 million years ago. In fact, birds and ...

One of the most surprising effects of the cascade of changes was...fruit? One of the most surprising effects of the cascade of changes that played out in the wake of dinosaur extinction may have been ...

When the big asteroid hit Mexico 66 million years ago, it set off wildfires, tsunamis and massive clouds of dust that darkened the skies, killed much of Earth’s plant life and triggered a chain of ...