A new shape on Saturn, new Artemis spacesuits, and a new look at Star Trek.

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.

Countries around the world are planning missions to Mars, including rovers and a sample return from the moon Phobos.

Roman is on its way to make discoveries, including more Solar System moons than you might expect.

NASA’s next flagship orbital observatory will reshape what we know about planets throughout the galaxy.

From Mars’ tiny Phobos to NASA’s mammoth Vehicle Assembly Building, apparent size depends on where you’re looking from.

NASA is already planning what the crew will do on their lunar landing mission.

Observing our celestial neighbor (and something much farther away).

Europe’s stunning eclipse, plus a political victory for science.

Our favorite images from the total solar eclipse that passed through Europe on Aug. 12, 2026.

While a SpaceX rocket smashes into the Moon and a rescue mission runs into trouble, a new bill may provide hope for science research.

When it comes to cool things happening in space, size doesn’t matter.

NASA may send an engineering test of the Perseverance rover to the Moon, but at what price?

Mars has two small, rocky, irregular moons. Exploring them could solve long-standing mysteries about the Solar System's history.

The people who support this organization are not just donors or members. They are participants. You and your support are, in fact, part of the mission.

Let us know your thoughts about Momentum, The Planetary Society's philanthropic newsletter.

See Mars from Viking 1 and Psyche, or with your own two eyes.

Finding craters, speaking out against anti-science policies, preventing asteroid impacts, making art — these are all great ways to make a difference.

NASA’s next flagship orbital observatory will reshape what we know about planets throughout the galaxy.

Nearly 500,000 comments were submitted in response to a rule change proposed by the White House Office of Management and Budget that would fundamentally change how science is funded in the United States. Here's what comes next.