Even though these particular lunar craters aren't visible from your backyard, Kring says there are similar, but smaller canyons on the near side of the moon that's visible in the night sky. These ...
Each year, millions of visitors marvel at the geological intricacy and beauty of the vast chasm of the Grand Canyon carved through the Arizona desert by 5 million years of water erosion. It is ...
Projectiles flying faster than bullets from a blast 130 times bigger than the global nuclear stockpile helped form giant lunar canyons, according to a new study.