On June 14, 1914, three men climbed Lassen Peak to see why a seemingly dormant volcano had started rumbling 16 days before. Now, peering into a newborn crater, they felt the ground tremble.

The impact crater could be linked to the origins of life on Earth. The discovery of a massive crater formed by the impact of a meteorite more than three billion years ago is changing the way ...

The reservoirs were detected below Mount Rainier, Mount Hood, Mount St. Helen, Newberry Volcano, Lassen Peak, and Crater Lake. Mount Shasta and Three Sisters did not display similar patterns ...

Researchers in Western Australia’s Pilbara region have discovered the world’s oldest known meteorite impact crater, pushing back the previous record by more than one billion years. The newly ...