Earth Pulled a Heist on the Moon's Water

When the moon was formed from a massive planetary collision billions of years ago, somehow very little of Earth's water ended up on the moon -- and planetary scientists aren't sure why. Continue reading →

Published On 11/29/2015
1:24 PM EST
Graphic showing all the water on Earth, compared to the size of the Earth itself. | Jack Cook, Woods Hole Oceanographic Institution