Molecular dating has shown that several extinct creatures, such as giant sloths and mammoths, survived in South America much later than previously thought, raising questions about the root causes ...

At age 75, Vadevino Alano keeps up a brisk pace as he strides through the forest on the way to the Armadillo’s Den — a ...

For tours at Kartchner Caverns State Park, expect an increase from $23 to $30 for people 14 years old and older. Riordan Mansion State Historic Park tour fees will rise from $12 to $18.

Parks, however, will still be charging for camping, concessions and tours, including at Kartchner Caverns and Yuma Territorial Prison State Historic Park. Visitors must show an Arizona ID to take ...

Tours at Kartchner Caverns State Park in Cochise County will increase to $30 for people age 14 and up, up $7 from its current price of $23. Tours at Riordan Mansion State Historic Park in ...

Tours at Kartchner Caverns State Park will rise from $23 to $30 for people age 14 and up, and tours at Riordan Mansion State Historic Park will rise from $12 to $18 for people age 14 and up.

Laurel Caverns, the largest cave in the northeastern U.S., is set to become Pennsylvania's 125th state park. The cave, currently owned by the Laurel Caverns Conservancy, will be donated to the state.

While humans wouldn’t be very happy to find that organisms were growing on their skin, particularly fungi, algae, and insects, it works out pretty well for sloths. Sloths may be hosting entire ...