Stories, updates, insights, and original analysis from The Planetary Society.
An overview of annular solar eclipses, how they work, what they're like to experience, and how to view one safely.
A list of useful words and terms relating to lunar and solar eclipses.
A guide to how to make sure your solar eclipse glasses are safe and certified, plus tips on what to do — and what not to do — if you want to experience an eclipse without glasses.
Comet Nishimura was discovered in August 2023, and is passing close to Earth and the Sun in September. Learn more about it and how to find it.
How the origins of the Moon could shape the future of human space exploration.
Exploring humanity’s long relationship with the Moon.
If a large asteroid impacted the Moon, would it cause problems for us here on Earth?
Is there life on Venus? Was our planetary neighbor ever inhabited? Here are the answers to your most pressing questions about the possibility of alien life on Venus.
How OSIRIS-REx’s samples build upon our knowledge of asteroids and the early Solar System.
An exploration of whether aliens are out there, what kind of extraterrestrial life is most likely to exist, and how we're looking for it.
Although Venus and Earth have many differences, they're often called twins because of some key similarities. Looking back to the two planets' early history, the similarities run even deeper.
Your guide to the phases of the Moon, their names, and why they happen.
"Mercury in retrograde" is one of the most searched terms relating to the planet. Astrological interpretations aside, apparent retrograde motion is an interesting phenomenon that has to do with orbital speeds and observer perspective.
With extreme heat and crushing atmospheric pressure, the surface of Venus is one of the most deadly environments in the Solar System. Here’s what it would be like to be there.
When searching for extraterrestrial life, we have to base our hunt on what we know about life on our own planet. This may seem limiting, but there's a lot we can learn from the astonishingly diverse lifeforms we have here on Earth.
The Planetary Society has a new virtual space for members to connect and work together to advance space science and exploration.
The Planetary Society has a long history of helping the public make progress in space exploration.
When an asteroid exploded in the atmosphere above Chelyabinsk, Russia on Feb. 15, 2013, it made history and underscored the importance of planetary defense.
A brief guide to eight of our Solar System's most fascinating and scientifically promising moons.
Everything you need to know about Comet 2022 E3 (ZTF) or the "Green comet," which is making its first approach to Earth in 50,000 years.