Co-founded by Carl Sagan in 1980, The Planetary Society is a member-funded nonprofit organization dedicated to advancing space science and exploration through three core enterprises.

What’s up in the night sky: February 2026 Our monthly feature focuses on easy and fun things to see in the night sky, including eclipses, supermoons, meteor showers, planetary conjunctions, and more.

We provide free, accessible information to the public like our weekly radio program and podcast Planetary Radio, videos, articles, social media, The Planetary Report magazine, public events, and …

They established The Planetary Society to give anyone from anywhere in the world an active role in advancing space exploration. Today, The Planetary Society continues this work, under the …

Jan 21, 2026 · Designed for ages five through nine by Bill Nye and the curriculum experts at The Planetary Society, The Planetary Academy is a special membership subscription for kids and …

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

Dec 8, 2025 · Milky Way on the alpine tundra Planetary Society member Zaakary Barnes photographed this panorama of the Milky Way over Colorado’s Rocky Mountain National Park in June.

Jan 14, 2026 · I'm Sarah Al-Ahmed of The Planetary Society, with more of the human adventure across our solar system and beyond. A vast and invisible bubble surrounds our sun and planets, shielding …

Jan 26, 2026 · The Planetary Society remains an independent, member-funded nonprofit with a global reach, advocating for space exploration, advancing science and technology, and engaging the public …

Jupiter, our largest planet, teaches us how planetary systems evolve. Its four planet-like moons make it a planetary system of its own.