The Dragon Bravo Fire is now the largest wildfire ever recorded in the Grand Canyon, burning more than 111,000 acres. The fire continues to grow to the north, but at the South Rim, crews are about 11 ...

Two suspects have been arrested in the murder of 16-year-old Zariah Dodd, who was found dead at a park in Phoenix.

Million-Year-Old Shark Fossil With Unique Tooth Arrangement Unearthed From Inside World's Longest Cave System The collection ...

Scientists have uncovered a previously unknown species of extinct shark deep within the labyrinth of Mammoth Cave in Kentucky ...

Many national parks don't allow pets, but these parks offer hundreds of miles of pet-friendly trails for you to safely ...

National Park Service researchers have identified a previously unknown shark species in the limestone walls of Mammoth Cave, ...

We visited four of the country’s “crown jewels” and found deep concern for the park system’s future among Americans of all ...

Researchers have uncovered the ancient fossil remains of a small prehistoric shark deep inside Mammoth Cave in Kentucky, USA, the world’s longest known cave system. The species, identified as ...

Researchers have found an ancient shark fossil in Kentucky’s Mammoth Cave, offering new insight into prehistoric marine ecosystems.

MAMMOTH CAVE, Ky. — A new-to-science species of ancient shark was recently discovered in Mammoth Cave National Park in ...

Scientists have identified a new 335-million-year-old shark species, Macadens olsoni, under Mammoth Cave National Park—one of ...

A new species of shark was discovered in Kentucky's Mammoth Cave National Park.The ancient shark is called a "Macadens Olsoni."Experts say it had a distinct curved row of teeth, used to crush small ...