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

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

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

In a rare "time-critical" decision, the James Webb Space Telescope will study the true size of the "potentially hazardous" asteroid 2024 YR4 twice over the next few months. The asteroid has a ...

The detection of Camp Hill virus is significant because it marks the first time a henipavirus has been detected in North America. That's according to the scientists who discovered it, who released ...

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 ...

Recent discoveries, powered by artificial intelligence, have revealed a new crater on Mars that evidences how deeply impact-generated seismic waves can travel. This finding challenges existing models ...

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 ...

In less than a minute, a Mexico-bound air ambulance jet that departed Philadelphia on Friday night, climbed to 1,500 feet before it took a steep nosedive, crashing into the ground, and leaving an ...

Ottawa's Tim Stützle scores against Wild goaltender Filip Gustavsson during the second period Saturday. (Spencer Colby/The Associated Press) ...

An aerial view of the area near the site of the plane crash in Northeast Philadelphia that killed seven people Friday shows a gaping crater close to the entrance of Roosevelt Mall on Cottman Avenue as ...

Mother of last living American hostage tells CNN what she’s heard about her son ...