On Sunday’s episode of The Excerpt podcast: Hidden beneath Earth’s surface are caverns and pathways that hold the secrets of our planet’s very beginnings. Even after decades of exploration, there are ...

Cave diver Gary Gibson died while underground at Tantanoola's Tank Cave in November 2025. A Cave Divers Association of Australia investigation into his death found his gear was functioning and he died ...

Cave diving combines the thrill of scuba diving and with the excitement of exploring a cave; it’s a challenging activity even for experienced explorers. At these four sites — some of the most popular ...