[ad_1] The asteroid impact that slew the dinosaurs may have also indirectly sculpted the largest ripple marks...
DinosaurKilling
[ad_1] Ancient “megaripples” as tall as five-story buildings are hiding deep under Louisiana, and their unique geology...
[ad_1] Over 800 miles from the impact site, massive ripples buried deep underground record the devastation wrought...
[ad_1] Some 66 million years ago, a huge space rock about the size of Manhattan slammed into...
