Site of half the world's active geysers and about the same size as Cyprus, Yellowstone National Park's scenery and wildlife make it one of the biggest draws for tourists in the US. But those famous ...
Deep in Alaska’s Katmai National Park, a perfectly round, 1,600-foot-wide crater has puzzled scientists for decades. Known as Savonoski Crater, this enormous hole appears as though it was carved into ...
We may have been wrong about how the Moon's largest crater, the South Pole-Aitken basin, formed roughly 4.3 billion years ago ...
A colossal northern asteroid impact billions of years ago likely shaped the Moon’s south polar region and explains its uneven ...
Fountains from the south vent at Kilauea’s summit crater soared 1,300 feet (400 meters) into the air, the U.S. Geological ...
Scientists found rare glass fragments in Australia. These ananguites reveal a massive ancient asteroid impact. The collision occurred millions of year ...