Long-necked sauropods were a defining group of dinosaurs that dominated every continent during the Jurassic and Cretaceous ...

Some of these dinosaurs and mammals, the study notes ... Those details, plus the moisture of the sediment, suggest the animals were likely killed suddenly by their burrows collapsing rather than any ...

Around 66 million years ago, the dinosaurs were killed by an enormous asteroid that hit what is today Chicxulub, Mexico. But a second asteroid struck during that same era at the Nadir crater off ...

Around 66 million years ago, dinosaurs had a very bad day. A meteorite about 10 kilometres long hit the Earth, causing a mass extinction event that killed 75 percent of the species. Since then ...

"Picture yourself standing off the coast of Cape Cod, in a shelf of shallow water. It's a low-energy environment without strong currents. Then, all of a sudden, you have a giant tsunami sweeping by ...

"It brings us into the realm of what humans can grasp," researcher Dennis Kent said. "These events happened in the span of a lifetime." ...