The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

A new discovery reveals the immense power of the asteroid that wiped out the dinosaurs, leaving behind 'mega ripples' on the ocean floor ...

below – created by these massive waves. These mega ripples, which are huge fossilised ripples, were created by a massive influx of water, which then receded, they found. Now, researchers have ...

Image showing ripples at the Chesapeake site. The black holes represent salt domes that have altered the topography of the site in the last 66 million years. (Image credit: Gary Kinsland) The ...