Earth may seem like a one-of-a-kind planet, but it actually has a twin 5:12am April 05, 2024 by Regina G. Barber Space Share URL copied to clipboard! Copyright 2024 NPR. To see more, visit https://www.npr.org. 300x250 Ad More Morning Edition British twins went on vacation in Mexico and faced a life-or-death battle Economy Morning news brief 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate