Today is Earth Day, so here's the best photos of our planet from space    USA Today Apollo v Artemis: How the Earth changed in 58 years    BBC Happy Earth Day! Celebrate with these amazing photos of our planet from space, from Apollo 8 to Artemis 2    Space Earth Day 2026: See breathtaking photos of our planet from Artemis II mission    WLOS Night and (Earth) Day    NASA (.gov)