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

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

A groundbreaking discovery in Mammoth Cave reveals a new species of ancient shark, offering a glimpse into the diverse marine ...

Tropical activity is picking up in both the Pacific and Atlantic basins as a massive heat dome sends temperatures soaring ...

Authorities have shut down Interstate 169 just before the Crofton exit northbound due to a crash. At least one person is ...

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 ...

Founder and chief product officer Nikolas Kelly shines a light on the groundbreaking communication tool, “Sign-Speak,” that is helping bridge the gap between deaf and hearing individuals.

ABC's Morgan Norwood reports on temperatures nationwide rising to triple digits. Meanwhile extreme heat warnings are in effect from coast to coast.