The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it ...

Deep in Alaska’s Katmai National Park, a perfectly round, 1,600-foot-wide crater has puzzled scientists for decades. Known as ...

Savonoski Crater in Alaska is a 1,600-foot mystery with no meteor debris or volcanic vents. Scientists remain baffled, unsure ...

The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it was discovered. Comments ( 0 ) ( ) When you purchase through links on our ...

After a couple of practice hops, Grace will then try something unprecedented—entering a permanently shadowed moon crater. The team is targeting a small crater about 200 meters from the landing ...

This striking satellite image, taken from Google Maps in 2021, shows a bizarre, jet-black, triangular structure in the middle of the Pacific Ocean. At the time, the mysterious object, which was ...

Hazards include high levels of volcanic gas, falling volcanic fragments near the vents, unstable crater walls, ground cracking and potential rockfalls — especially around areas that have been ...

The island is famed for its caldera – a bowl-shaped crater caused by a volcanic eruption – which was formed by one of the largest known blasts around 3,600 years ago. Santorini’s most recent ...