Here is another issue of Carnival of Space! We are on the 456th issue and counting. If this is your first time hearing about this community driven feature then let me give you a quick intro. Carnival of Space was started by our friends over at Universe Today and a community of astronomy bloggers gathered together to help showcase some of the best space stories. Each community member hosts the Carnival of Space and spreads the love to the interwebs. So please, sit back, relax, and let these stories take you away on the cosmic beaches of the universe. Evidence from Curiosity rover shows Mars once had oxygen-rich atmosphereHere’s an article by Planetaria.ca on how the Curiosity rover discovered that Mars once had oxygen-rich atmosphere. Read on to find out what this means for understanding Mars and its history. Read more... Don’t Blink or You’ll Miss itHave you ever looked upon the...