Moon, Earth and Asteroid

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...
Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...
Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...
Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...
PT5, which almost became a temporary mini-moon to Earth, was recently found to be a broken-off part of the moon itself. This ...
The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.