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.

Astronomers are closing in on planets that might be like our own.

Close-ups of the Sun’s coronal loops and a tiny piece of Bennu can teach us a lot.

The Solar System is full of rocky and icy bodies, but this particular galaxy is made of glass.

China’s Deep Space Exploration Laboratory and the Shanghai Institute of Satellite Engineering have proposed an orbiter and lander mission to explore Enceladus with a key focus on the moon’s potential habitability.

From large comets to tiny meteorites and all the asteroids in between, it’s worth finding all sizes of space rocks.

Meet the latest winners of The Planetary Society's Shoemaker NEO Grant program.

Rovers like Curiosity need their sleep. Meanwhile, dreams of interstellar travel are being pursued.

A monthly podcast featuring discussions with authors of space-themed books.

The Planetary Society is seeking a Systems Assistant to support the day-to-day IT operations of the organization.

Astronauts may be living on the frontiers of human space exploration, but they still need to eat and sleep like the rest of us.

Want to take online actions and support NASA science on October 6? Sign up here for alerts.

Some of the best-documented encounters Earthlings have had with asteroids and meteorites.