• OSIRIS-REx returns sample from asteroid Bennu to Earth
    on September 22, 2023 at 5:03 pm

    The sample capsule parachuted to a landing at the Department of Defense’s Utah Test and Training Range southwest of Salt Lake City.

  • Equinox and equilux
    on September 22, 2023 at 2:30 pm

    Celebrate today’s equinox, but be sure to check when your location’s equilux takes place. And there’s lots to celebrate about this year’s Day of Action.

  • What is an annular solar eclipse?
    on September 22, 2023 at 2:00 pm

    An overview of annular solar eclipses, how they work, what they're like to experience, and how to view one safely.

  • Want to experience the 2024 total solar eclipse? Here are some tips.
    on September 21, 2023 at 2:00 pm

    We asked two eclipse chasers for tips on how to plan your big moment in the Moon's shadow.

  • The Day of Action returns to Capitol Hill
    on September 21, 2023 at 1:39 pm

    Planetary Society members traveled to Washington, D.C., in September 2023 to advocate for the future of space science and exploration.

  • Lost and found
    on September 15, 2023 at 2:30 pm

    Some things are lost — Moon rocks, Io’s water, even (briefly) the Sun’s light — but what we find in space is so much greater.

  • A guide to eclipse vocabulary
    on September 13, 2023 at 2:57 pm

    A list of useful words and terms relating to lunar and solar eclipses.

  • A checklist for what to expect during the 2024 total solar eclipse
    on September 8, 2023 at 2:30 pm

    Know what to expect ahead of time, and be prepared to experience a cosmic spectacle like nothing else in nature.

  • Cometary sights and sounds
    on September 8, 2023 at 2:30 pm

    Discover what causes a comet’s color and what it might be like to listen to one whiz by.

  • Are your solar eclipse glasses safe?
    on September 7, 2023 at 2:30 pm

    A guide to how to make sure your solar eclipse glasses are safe and certified, plus tips on what to do — and what not to do — if you want to experience an […]

  • How to see newly discovered Comet Nishimura
    on September 6, 2023 at 5:28 pm

    Comet Nishimura was discovered in August 2023, and is passing close to Earth and the Sun in September. Learn more about it and how to find it.

  • OSIRIS-REx sample return: What to expect
    on September 5, 2023 at 2:30 pm

    The spacecraft will drop off its precious samples of asteroid Bennu on Sept. 24, 2023.

  • See for yourself
    on September 1, 2023 at 2:30 pm

    See the month’s coolest space pictures, see planets in the night sky, and create the future in space that you want to see.

  • To the moon together
    on September 1, 2023 at 2:02 pm

    An interview with Scott Pace about the Moon’s role in internationally cooperative human space exploration.

  • Moonstruck
    on September 1, 2023 at 2:02 pm

    Exploring humanity’s long relationship with the Moon.

  • Your impact: September equinox 2023
    on September 1, 2023 at 2:02 pm

    Meet the asteroid hunters you help support.

  • A lunar saga
    on September 1, 2023 at 2:02 pm

    How the origins of the Moon could shape the future of human space exploration.

  • Chang'e-6, collecting the first lunar farside samples
    on August 31, 2023 at 2:43 pm

    China's mission will collect the first samples from the far side of the Moon.

  • Moonstruck
    on August 25, 2023 at 2:30 pm

    From asteroid impacts to spacecraft landings (whether successful or not), the Moon is no stranger to being struck.

  • What would happen if an asteroid hit the Moon?
    on August 24, 2023 at 2:30 pm

    If a large asteroid impacted the Moon, would it cause problems for us here on Earth?

  • Total solar eclipse 2024: Why it’s worth getting into the path of totality
    on August 22, 2023 at 2:00 pm

    There's no comparison between a partial solar eclipse and a total solar eclipse.

  • Storms and showers
    on August 18, 2023 at 2:30 pm

    Mars has storms of dust, while Saturn pours down ammonia rain. Here on Earth, we passed through a debris tail to get a special kind of shower.

  • Hasta la vista, baby
    on August 11, 2023 at 2:30 pm

    Terminators abound this week in space, and we’ll be back to Mars if NASA gets the budget it needs.

  • Are exoplanet 'terminator zones' a lead in the search for life?
    on August 10, 2023 at 2:00 pm

    Exoplanets with terminator zones are unusual worlds that may challenge our traditional understanding of habitability.

  • Far out, man!
    on August 4, 2023 at 2:30 pm

    Faraway spacecraft, distant objects, the lunar farside, and a pretty out-there art project.