A groundbreaking discovery in Mammoth Cave reveals a new species of ancient shark, offering a glimpse into the diverse marine life that thrived 340 million years ago.

A man and woman were found dead on a walking trail in Devil’s Den State Park on Saturday afternoon, Arkansas State Police said, adding that a suspect is being sought and the deaths are being ...

A newly identified species of ancient shark has been discovered at Mammoth Cave National Park, marking another significant ...

A newly identified ancient shark species, Macadens olsoni, has been at Mammoth Cave National Park. The National Park Service ...