Pictures: Return to the Crystal Caves

Friday, October 8, 2010 - 16:50 in Biology & Nature

Returning to Mexico's otherworldly Cave of Crystals, explorers have uncovered a new cavern, microscopic life-forms, and more.

Read the whole article on National Geographic

More from National Geographic

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net