The October 2025 Save NASA Science Day of Action was our largest-ever advocacy event. Here's why it mattered.

The Save NASA Science Day of Action was our largest advocacy event ever, bringing together over 300 supporters (and one dog).

A strange rock on Mars is different from anything we’ve seen before in the search for life.

The Save NASA Science Day of Action drew nearly 300 people from across the United States to Washington, D.C., to promote space science and exploration.

A roundup of key facts and surprising discoveries about the third known interstellar object.

A Mars rock may hold answers in the search for life, and spacecraft might roll along its surface. Plus, meet the red planet’s Rolling Stones Rock.

An interview with Joel Hurowitz of Stony Brook University, New York, one of the lead scientists involved in the discovery of possible biosignatures on Mars.

From photographers to science communicators, this week we celebrate some well-deserved wins. Plus, our Day of Action is set to be the biggest ever.

Interstellar interlopers like 'Oumuamua and 3I/ATLAS could be our best bet at exploring other stars.

Key highlights from an interview with Dr. Bryce Bolin, lead author of a study on Interstellar Object 3I/ATLAS.

The Solar and Heliospheric Observatory isn’t just a powerful tool for studying the Sun; it’s one of the best comet hunters in existence.

A month-by-month spending reference for threatened NASA science missions.

NASA’s Perseverance rover has identified a potential biosignature on Mars.

NASA’s Perseverance rover has identified a potential sign of past life on Mars — not a definitive detection, but perhaps the most compelling hint yet.

How to support The Planetary Society's STEP Grant program.

In a milestone that reflects our expanding advocacy and outreach presence in Washington, D.C., Ari Koeppel will join The Planetary Society as the organization's first AAAS Science & Technology Policy Fellow.

Updates from a Planetary Society STEP Grant-funded project.

NASA's science budget is under threat. Here's what that could mean to the human endeavor of exploration.

On its 35th anniversary, a reflection on what the pale blue dot means to us.

Astrobiologists aren't just looking at other worlds to search for life; they're looking back to ancient Earth and considering alternate biochemistries.