Scientists have created a new 3D map of "mega ripples" on the seafloor caused by the Chicxulub asteroid impact that wiped out the dinosaurs. The study, published in the journal Marine Geology, reveals ...

Now, researchers have created a 3-dimensional map of these fossil ripples spanning an area of over 2,400sqkm (900sqm ... ripples on beaches by moving sand particles. In the case of these ...

But it turns out, they also impact deeper waters offshore – shifting sand, creating ripples and gullies and are even powerful ... Reef is located – a collection of 997 subway cars dropped over board ...