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.

Cast your vote for the best of space exploration and science in 2025!

For this year’s Halloween costume, try scaring people by dressing as a solar storm.

NASA's ESCAPADE mission will send a pair of twin probes to Mars to study how the solar wind has stripped away the planet’s atmosphere, leaving behind the desolate surface we see today.

ESCAPADE will explore Mars’ magnetic field and atmosphere to learn how the planet became less habitable over time.

From nostalgia to imagination, space technology reaches into our past, the future, and the present.

Tornados swirl throughout the Solar System, and NASA-funded researchers face budgetary storms.

As thousands leave the space agency, two ex-NASA workers give an inside account of how their office was abruptly shut down.

In exclusive interviews, ex-NASA scientists speak out on the impact of the agency's mass departures.