Green Matters on MSN13d
Physicist Finally Solves the Mystery Behind Strange Polka-Dot Patterns Found in the Grand Canyon
A region north of the Grand Canyon is riddled with mysterious spots and the expert came up with the most probable cause of it ...
Two Grand Canyon-size valleys on the far side of the moon formed within 10 minutes, scientists say
Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...