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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
An insider's look at the Nancy Grace Roman Space Telescope
Dr. Jason Rhodes, Jet Propulsion Laboratory project scientist for the Nancy Grace Roman Space Telescope, shares what to expect from NASA’s next great observatory.
Meet the next generation of Mars exploration
Countries around the world are planning missions to Mars, including rovers and a sample return from the moon Phobos.
The Nancy Grace Roman Space Telescope has launched
NASA’s next flagship orbital observatory will reshape what we know about planets throughout the galaxy.
What could the Artemis IV astronauts discover on the Moon?
NASA is already planning what the crew will do on their lunar landing mission.
The Cost of a PROMISE
NASA may send an engineering copy of a Mars rover to the Moon, but at what price?
The Space Advocate Newsletter, July 2026
Viking made Mars real
Hayabusa2’s flyby of asteroid Torifune
On Sunday, July 5, the Japan Aerospace Exploration Agency (JAXA)'s Hayabusa2 probe performed a close flyby of the asteroid Torifune.
Astronomers thought JWST might find signs of life. Now they have a new plan.
An update in the search for alien life beyond the Solar System.
Days after Artemis II, scientists warn of deep cuts to NASA missions
The scientists behind threatened missions speak out.
84 NASA missions at risk under new proposal
Proposed NASA cuts would reduce NASA’s workforce by thousands and cancel over 50 space missions.
Beyond the unknown: The coming Kuiper belt revolution
Discoveries about the worlds of the Kuiper belt could revolutionize our understanding of the Solar System and its ancient past.
Why do some planets have rings and others don't?
The giant planets of our Solar System all have rings, as do some dwarf planets and even asteroids. So why don’t Mercury, Venus, Earth, or Mars?
NASA has lost a spacecraft around Mars. Is MAVEN gone for good?
A pioneering spacecraft has gone missing around Mars, and NASA says the mission is probably unrecoverable.
Calendar of space events 2026
Space missions, rocket launches, and celestial events are coming our way in 2026.
The images of the Universe put at risk by proposed NASA cuts
Cosmic views put at risk by proposed NASA cuts
The Planetary Society's Best of 2025 Winners
The official results of The Planetary Society's Best of 2025 voting campaign.
ESCAPADE launch: What to expect
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.
Our best proof of life on Mars yet? A deep dive into Cheyava Falls
A strange rock on Mars is different from anything we’ve seen before in the search for life.
What is comet 3I/ATLAS?
A roundup of key facts and surprising discoveries about the third known interstellar object.
A biosignature on Mars? Unpacking Perseverance's Cheyava Falls find
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.