Fossil teeth of extinct megalodon sharks have grooves made by other megalodon teeth, hinting at violent encounters between ...
When the first Spanish conquistadors arrived in the Aztec city of Tenochtitlan in 1519, they claimed to have witnessed a ...
Why so many human remains from the Bronze and Iron Age have surfaced from the Thames remains unknown. Researchers have dated a large number of the skeletons to those time periods, which possibly means ...