Knowing that you've found signs of life beyond Earth may not be as clear-cut and simple as one might think.

The snake-like robot is being designed to autonomously navigate the challenging terrain of Saturn’s moon Enceladus, including descending into fissures in the moon’s icy crust. The skills it needs in order to explore this distant, unfamiliar world may make EELS well equipped to explore even more alien worlds, perhaps including exoplanets.

From X-ray imaging to slithering beneath Enceladus’ crust, space technology is always expanding what we can see for ourselves.

The tentative discovery hints at an habitat where life could potentially thrive.

With all the advances in private space exploration, why do taxpayers still pay for space science missions?

New research suggests liquid water might be hiding under the surface of Mars. Could life be there too?

Detonating a nuclear weapon on or near an asteroid is one of several options for defending the Earth from an impact. Here's what nuking an asteroid might actually do, and why it isn't always the best option.

NASA is underfunding planetary exploration relative to recommendations made by the National Academies Decadal Survey report, resulting in mission delays and cancelations.

When a skyscraper-sized asteroid narrowly misses Earth in 2029, three spacecraft may be along for the ride.

Europa Clipper is a big spacecraft with big solar panels, all so it can perform a big mission. The galaxy is big too, and a Planetary Society member painted it that way.

The habitable zone is a useful concept in astrobiology, but it can sometimes paint an over-simplified picture of planetary habitability.

The Planetary Society and Lerner Publishing Group have teamed up to bring young readers an engaging series of books that make space science fun and accessible.

China is in the early stages of planning a huge space observatory to help answer the matter of whether we are alone in the galaxy.

From holes on Mars to a spun-around moon and a flipped reflection, space science involves looking at things from all different angles.

Could the Solar System host traces of other intelligent life?

Exploring Europa and defending Earth.

Looking at life on Earth from another perspective.

Looking to the past to guide the search for life.

A Planetary Society-funded project to understand asteroids achieved its main goals and scientific objectives this year.

Life thrives on Earth, and we even send evidence of our presence out into the Solar System. Is anyone out there looking for us?

Cameras on spacecraft are our eyes into the Cosmos. Sometimes they teach us things, sometimes they reveal gaps in our knowledge.

Weeks before the new fiscal year, Congress still hasn't finalized NASA's 2025 budget.

Catch this once-in-a-lifetime comet over the next few days.

A Martian cloud atlas, LightSail wins big, and multiple missions coast toward launch.

Europa Clipper will soon head for Jupiter's icy, potentially habitable moon. Without the advocacy efforts of The Planetary Society and our members, the mission may never have been possible.

The European Space Agency’s Hera spacecraft launched on Oct. 7, 2024, from Cape Canaveral, Florida. It will travel to the Didymos-Dimorphos asteroid system to study the aftermath of the first-ever field test of an asteroid deflection technique.

Asteroids that come in pairs, matching volcanic features on Mars and Earth, and the potential space policies of two administrations.

NASA’s Europa Clipper spacecraft launched today aboard a SpaceX Falcon Heavy rocket from NASA’s Kennedy Space Center in Cape Canaveral, Florida.

The Planetary Society is upgrading systems that will offer us many new capabilities and features that will enhance your membership experience.

With the Sun at the peak of its activity cycle, we Earthlings get treated to some awesome sights. Plus, some truly awe-inspiring launches happened this week.

An overview of what U.S. space policy might look like under a Trump or a Harris administration.

From logos to policy to mission architectures, if you want to achieve something in space, you’ve got to design it first.

Cast your vote for the best of space exploration and science in 2024!

Perseverance faces a hard climb, but New Horizons proves it’s worth going the distance.

It’s been a great year for space exploration. Now you get to pick the highlights.

How the inclusion of Katie Taylor v Amanda Serrano on the bill legitimises the carnival of Mike Tyson v Jake Paul in Texas

Sneak peek — tray, citrus chess board, serving board.

“Court of Ice and Roses” chessboard in shop!

Sneak peek — Christmas jewelry in progress.

New in the shop — Starry Woods and Tardigrades! scarves.