Stories, updates, insights, and original analysis from The Planetary Society.
A list of useful words and terms relating to lunar and solar eclipses.
Your guide to the phases of the Moon, their names, and why they happen.
Reflecting on Carl Sagan’s influence on this pale blue dot we call Earth.
Get ready for a total lunar eclipse and pick your favorites from this year in space.
There’s no limit to what a community of like-minded space enthusiasts, advocates and even famous luminaries can achieve when we all work together.
From solar storms to underwater volcanoes and asteroid close calls, catch up on what’s scary and beautiful this week in space.
Find out what a super blood Moon is, and celebrate a milestone in Mars exploration.
Watch as our enormous moon -- a quarter the diameter of the planet -- just winks out as it passes into Earth's long shadow, in an animation captured from more than 100 million kilometers away.
On Sunday, the shadow of the Moon passed across Africa and the Atlantic Ocean. This was the last solar eclipse of the year. The Elektro-L satellite was able to observe the eclipse, and we can see the darkness of the lunar shadow covering Africa.
Emily wakes up her 5-year-old daughter to experience her first lunar eclipse.
Unless you live under a rock you probably know that there is a total lunar eclipse tonight, one that should be particularly favorable for viewing from North America but which will be at least partially visible to viewers in South America, Europe, and easternmost Asia and Australia too.