Our journey to know the Cosmos and our place within it starts right outside our windows, in the night sky. Get weekly reports on what's visible and learn…

The latest stories from The Planetary Society, featuring humanity's quest to explore worlds, find life, and defend Earth.

The Planetary Society is the largest and most effective nonprofit organization that promotes the exploration of space through education, advocacy, and…

The Planetary Society is global, independent, nonprofit organization that promotes the exploration of space through education, advocacy, and innovative…

How The Planetary Society works to increase discoveries about the worlds of our Solar System and beyond.

How The Planetary Society works to decrease the risk of Earth being hit by an asteroid or comet.

Apr 7, 2026 · The best images from Artemis II Written by Kate Howells Public Education Specialist, The Planetary Society April 7, 2026 The Artemis II mission launched on April 1, 2026, carrying a crew of …

Image: Bruce Betts/The Planetary Society using Stellarium April 18: The crescent Moon is near Venus in the evening west. April 18, 2026 night sky snapshot (evening) In the evening west, the crescent …

Mar 25, 2026 · How do funding, workforce, and robotic lunar exploration compare between NASA's two lunar exploration programs?

Dec 8, 2025 · The Planetary Report December Solstice 2025 From Our Member Magazine The year in pictures 2025 Images from an orbit Written by Kate Howells Public Education Specialist, The …