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 connect with planetary exploration experts from around the world to strengthen our work and support international exploration efforts. Our 50,000+ international membership makes us the largest, …

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 …

Our monthly feature focuses on easy and fun things to see in the night sky, including eclipses, supermoons, meteor showers, planetary conjunctions, and…

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 …

Jan 7, 2026 · In this episode of Planetary Radio, we explore the science of the heliosphere and the realm beyond with Linda Spilker, project scientist for the Voyager mission at NASA Jet Propulsion …

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

Jan 15, 2026 · The top priority of the last two planetary science decadal surveys, sample return from Mars, is key to helping scientists better understand the geological and possible astrobiological history …

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 …