As Shark Week takes over social media feeds with videos and stories on these underwater creatures, even if you don’t have the ...

By cannibalizing their siblings in the womb or avoiding meat-eating pliosaurs, fearsome carnivores like the megalodon ...

Millions of years ago, South Dakota was covered by a vast inland sea. This ancient seaway supported diverse marine life, including ammonites and marine reptiles. Today, fossils from this period are ...