In 1993, scientists identified a massive impact crater in the United States that dwarfed the Grand Canyon. This colossal crater, hidden beneath the Earth’s surface, has sparked significant ...

U.S. Crater Three Times the Grand Canyon’s Size Found—How Did We Miss It? ... As the asteroid collided with the Earth’s surface, it released an enormous amount of energy, ...

Shackleton crater spans roughly 12.4 miles wide (20 km) and 2.6 miles deep (1.3 km), making it deeper than the Grand Canyon, according to the Center for Lunar Science and Exploration. Sign up for ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object slammed into the moon 3.8 billion years ago. CNN values your feedback 1.

Enormous cavern twice the size of Grand Canyon 'discovered in Antarctica' SCIENTISTS think they may have found a mega canyon in Antarctica which makes the Grand Canyon pale in comparison.

Jutting off in straight lines from a massive crater like two bilby ears near the Moon's South Pole, is a pair of valleys similar to the Grand Canyon in size. But while the Grand Canyon was etched ...

Arizona is best known for its giant hole in the ground, a feature that became the state's license-plate slogan and has etched itself into the hearts of tourists around the world. But Grand Canyon ...