Months of warning signs from Mauna Loa, on Hawaii's Big Island, prompted the U.S. Geological Society to recently start releasing weekly updates on activity at the world's largest active volcano.
How we found the 'prehistoric beaver' that helped mammals inherit Earth after dinosaurs were wiped out
Sixty six million years ago the world changed in an instant. A huge asteroid, some ten kilometers in diameter, smashed into what is now Mexico. It arrived with the force of several million nuclear bombs, and unleashed a deadly ...
Strong winds are whipping up loose volcanic ash from the eruption of an Alaska volcano more than a century ago.