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

What’s up in the night sky: April 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.

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

Feb 26, 2026 · A planetary alignment is when several planets appear to line up in the night sky from our vantage point on Earth. Although still billions of kilometers apart from each other in space, multiple …

Feb 18, 2026 · A new chapter begins at The Planetary Society as Jennifer Vaughn becomes CEO and Bill Nye steps into his new role as chief ambassador.

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

Jan 7, 2026 · Linda Spilker, project scientist for the Voyager mission, explains what Voyager has revealed about the heliopause and the Solar System’s outer edge.

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

Jan 15, 2026 · The Planetary Society's Space Policy & Advocacy team provided a public update on NASA's current budget status, including new comparisons between the House and Senate NASA …

Sep 10, 2025 · NASA’s Perseverance rover has identified a potential sign of past life on Mars — not a definitive detection, but perhaps the most compelling hint yet.