Artemis II astronaut Christina Koch: ‘Looking back at Earth…it truly emphasized how alike we are’0

• Moons, SCIENCE, Solar System, Space
• April 9, 2026

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Christina Koch made history this week, becoming the first woman to travel around the moon. The NASA astronaut’s lunar flyby wasn’t her first groundbreaking moment: Koch also holds the record for the longest single spaceflight by a woman and