Great pictures of a planet and a comet, and great picks from a year of our virtual book club.

Looking back on our book club picks from the last twelve months.

Every star in the Universe creates a different environment for the worlds around it.

Our newest member perk isn't just a cool piece of apparel — it's a reflection of the science of design.

Black-and-white space images and the science that goes with them.

The most memorable and impactful images from space exploration in 2025.

Reflections on a historic year for space advocacy.

Cosmic views put at risk by proposed NASA cuts

If you enjoy the lights people string on their houses at this time of year, you’ll love galaxy clusters.

The official results of The Planetary Society's Best of 2025 voting campaign.

A mini-Downlink to reflect on gratitude.

A collection of space-themed gifts for people of all ages.

Space exploration gives us so many opportunities to experience, celebrate, and cultivate feelings of awe.

Overviews and updates from projects that have been awarded The Planetary Society's STEP Grants.

With the U.S. government reopened and funded through Jan. 30, Congress is back to work on deciding how much to invest in federal agencies for fiscal year (FY) 2026, including NASA. Here's where things stand, and what to expect.

In 2025, The Planetary Society advanced its mission to empower the world’s citizens to advocate for space science and exploration. Through advocacy, education, science, and global collaboration, we championed the scientific exploration of space during a year that tested and proved the strength of our movement.

From data to human-forming elements to LEGO pieces, it’s just a matter of putting it all together.

Important updates on how U.S. taxpayers can claim deductions on their taxes for charitable contributions.

Carl Sagan's famous quote is more than just poetic — it's true.

Looking back on the year in space and anticipating what might come in 2026.