planetary.org

  • A sight to remember
    on April 12, 2024 at 2:30 pm

    For hundreds of millions of people, the Sun and Moon put on an astonishing show this week. Here are our eclipse highlights and more.

  • Space: See it, hear it, feel it, predict it
    on April 5, 2024 at 2:30 pm

    From spotting comets to hearing eclipses and predicting solar emissions, there are many ways to experience space phenomena.

  • How do NASA and ESA work together?
    on April 4, 2024 at 2:00 pm

    NASA and the European Space Agency (ESA) have a long-standing partnership that has resulted in spectacular science missions, including the James Webb Space […]

  • Experiencing the total solar eclipse without sight
    on April 3, 2024 at 3:00 pm

    New technologies, projects, and resources aim to help people with blindness and low vision experience the eclipse.

  • Is Planet X/Planet Nine real?
    on April 2, 2024 at 5:40 pm

    Planet X and Planet Nine are planets that have, at one time or another, been thought to exist in our Solar System. Both were hypothesized to explain the […]

  • Keeping an eye on things
    on March 29, 2024 at 2:30 pm

    Measuring changes in the Moon’s size, watching for eruptions on the Sun’s surface, and monitoring budget developments.

  • Should you be worried about solar storms?
    on March 26, 2024 at 2:00 pm

    As the Sun nears solar maximum, the odds of potentially dangerous solar storms go up. What could one do to Earth?

  • NASA's FY 2025 budget request is not enough
    on March 25, 2024 at 10:30 pm

    Federal spending caps and inflation take a bite out of NASA's ambitions.

  • Is the Moon shrinking?
    on March 25, 2024 at 2:00 pm

    The Moon is shrinking in both actual volume and its apparent size from Earth’s perspective. We explain how scientists know this, why it happens, and how it […]

  • Hidden depths and a cosmic mystery
    on March 22, 2024 at 2:30 pm

    Jupiter has much more going on beneath its outer clouds, and NASA invites players to unravel a fictional mystery.

  • Queqiao-2: China’s bridge for lunar exploration
    on March 22, 2024 at 2:00 pm

    China's Queqiao-2 spacecraft will relay communications to Earth to support lunar far side and south pole missions, including missions led by international […]

  • The Planetary Society advocacy priorities in NASA’s final 2024 budget
    on March 20, 2024 at 7:00 am

    Funding for the Near-Earth Object Surveyor, support for VERITAS, and a second lease on life for Mars Sample Return were all included in the final congressional […]

  • How to find eclipse events in your area
    on March 18, 2024 at 2:00 pm

    There are hundreds of eclipse events being held all across North America. Here's how to find one near you.

  • Transits are cool, but…
    on March 15, 2024 at 2:30 pm

    A moon transiting the Sun is awesome, but still doesn’t quite compare to a total solar eclipse. Learn why, find out about Europa Clipper’s message in a […]

  • Red Rover Goes to Mars, 20 years later
    on March 12, 2024 at 4:48 pm

    Twenty years ago, a Planetary Society program sent students to NASA's Jet Propulsion Laboratory to work on the Mars Exploration Rovers program.

  • NASA's FY 2025 Budget
    on March 12, 2024 at 6:00 am

    The White House proposed $25.4 billion for NASA in 2025, a modest increase from the previous year, and far less than originally planned.

  • An exquisite cosmic coincidence
    on March 11, 2024 at 2:01 pm

    Why eclipses on Earth are unlike anything else in the Solar System.

  • Seizing upon syzygy
    on March 11, 2024 at 2:01 pm

    How scientists use total solar eclipses as opportunities to do solar science.

  • Your impact: March equinox 2024
    on March 11, 2024 at 2:01 pm

    Announcing the first C. Wallace Hooser award for visionary philanthropy

  • Science to satisfy curiosity
    on March 8, 2024 at 3:30 pm

    The Curiosity rover is climbing a mountain to gain knowledge. Bringing back Mars samples will gain us even more.

  • The science value of Mars Sample Return
    on March 5, 2024 at 3:00 pm

    The project has the potential to transform our understanding of the Solar System and provide evidence of life beyond Earth.

  • Lunar success stories
    on March 1, 2024 at 3:30 pm

    The Odysseus spacecraft marks the return of U.S. landers to the Moon. JAXA wants you to help name an asteroid. And we’re speaking up for your place in space.

  • The coolest new space pictures: March 2024
    on February 28, 2024 at 10:40 pm

    It was a busy month at the International Space Station.

  • A ridge over hidden water
    on February 23, 2024 at 3:30 pm

    Ridges on Mars and Europa hint at past and present water. Distant dwarf planets are unexpectedly warm. And we’re working hard to help find life.

  • Can SpaceX’s Starship save Mars Sample Return?
    on February 22, 2024 at 4:28 pm

    Though promising conceptually, Starship presents more questions than answers for NASA's Mars Sample Return needs.