Although Slovakia is now a landlocked country, its territory was partly covered by the sea about 12-13 millions of years ago.
A new atlas charts the global distribution of unusual, critical-metal-bearing igneous rocks, finding that they often form ...
A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...
It is Pennsylvania’s largest cave (above or below ground) and is the state’s first entirely underground state park. Have you been there?