Two recently examined fossils suggest that Australia’s First Peoples valued big animals for their fossils as well as for ...

A cave collapse is a severe and often sudden geological hazard caused by the failure of a roof or wall arch, where massive rocks and debris fall and can block entire passages. Rockfalls are ...

A team of explorers entered a remote cave expecting ordinary limestone tunnels but uncovered something far stranger. Deep inside, they stumbled upon formations and remains that defied explanation.

Our pick of the top Florida state parks to explore for wildlife, springs, and coastal parks, manatees, alligators and more.