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

About 35 million years ago, an asteroid struck the ocean off the East Coast of North America, leaving behind a massive impact ...

Satellites have detected large volumes of methane spewing from Mount Fentale’s crater following months of earthquakes that ...

David Chalian: CNN poll shows this is biggest warning sign for Trump ...

A large crater in Siberia is getting bigger due to the way permafrost interacts with the environment. It is helping scientists understand more about past climates and how the permafrost is ...

NASA has created a plan for the Lunar Crater Radio Telescope, or LRCT. The idea is that NASA would select a large crater on the far side of the moon, roughly 3 km – 5 km in diameter. This ...

The crater, which reached about 32 feet wide and ... "Now, we're trying to see if we can pull up the truck using a large crane. There is (the) risk that the hole will collapse." ...