SETI is the search for extraterrestrial intelligence, using various techniques to look for signals from advanced alien civilizations. METI (messaging extraterrestrial intelligenceO is when we send out our own signals for aliens to find.

Jupiter looks fit for a martini, and Carl Sagan pairs well with a cosmopolitan. Find out why, and learn about the latest in space science and exploration.

An overview of the 2023 Independent Review Board report on the state and future of Mars Sample Return.

The Psyche spacecraft is scheduled to blast off on a SpaceX Falcon Heavy rocket on Oct. 12.

Mars Sample Return’s future depends on what we do now. NIAC’s projects are very future-forward. And in many ways, the future is already here.

The Planetary Society spoke to Mike Puzio, who won our "Name that asteroid!" contest back in 2013.

Partial eclipses are the most common solar eclipse to see. Here's why that is, and why it's worth going out and (safely) looking up.

The sample capsule parachuted to a landing at the Department of Defense’s Utah Test and Training Range southwest of Salt Lake City.

A total solar eclipse is coming across North America on April 8, 2024, and you're invited to experience it with The Planetary Society. Explore maps, eclipse glasses, and merch as you get ready for totality.

Celebrate today’s equinox, but be sure to check when your location’s equilux takes place. And there’s lots to celebrate about this year’s Day of Action.

An overview of annular solar eclipses, how they work, what they're like to experience, and how to view one safely.

We asked two eclipse chasers for tips on how to plan your big moment in the Moon's shadow.

Planetary Society members traveled to Washington, D.C., in September 2023 to advocate for the future of space science and exploration.

Some things are lost — Moon rocks, Io’s water, even (briefly) the Sun’s light — but what we find in space is so much greater.

A list of useful words and terms relating to lunar and solar eclipses.

Know what to expect ahead of time, and be prepared to experience a cosmic spectacle like nothing else in nature.

Discover what causes a comet’s color and what it might be like to listen to one whiz by.

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.

The spacecraft will drop off its precious samples of asteroid Bennu on Sept. 24, 2023.