Geologists Discover a Giant Meteor Pit Born From a ‘Nuclear Explosion Level’ Event, Unsure When Exactly It Happened Experts ...

One of the most common features found at large volcanoes are calderas, formed by the collapse of the land due to eruption.

Protected from the harsh surface of Mars, such pits are believed to be good candidates to contain Martian life, making them prime targets for possible future spacecraft, robots and even human ...

The pit measures up to 4,460 feet (1,360 meters ... Related: The largest asteroid impact crater on Earth is lurking beneath Australia, new evidence suggests It's unclear exactly when the meteor ...

The three fell into a pit that opened up as the parents tried to save their son A boy and his parents have died after falling into a pit in a volcanic crater at Solfatara near Naples. The drama ...