• Pluto TV will rally to make Pluto a planet again on April 1 (it's no joke)

    Updated: 2024-03-31 14:58:19
    Pluto may have lost its status as a full-fledged planet in 2006, but that doesn't mean it's a joke of a world this April Fools' Day and the folks behind Pluto TV want to make that clear.

  • Hubble Space Telescope finds bucket of cosmic Easter eggs — 500 blue and red stars

    Updated: 2024-03-31 14:00:01
    Observations for the ULLYSES program, the Hubble Telescope's largest operation yet, are now completed. Scientists are now diving into some cosmic Easter treats.

  • Life on Enceladus? Europe eyes astrobiology mission to Saturn ocean moon

    Updated: 2024-03-31 10:00:37
    The future European Space Agency mission could include an orbiting spacecraft as well as a lander, both of which would sample ocean material in Enceladus' plumes.

  • Keeping an eye on things

    Updated: 2024-03-29 14:30:00
    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?

    Updated: 2024-03-26 14:00:00
    As the Sun nears solar maximum, the odds of potentially dangerous solar storms go up. What could one do to Earth?

  • Is the Moon shrinking?

    Updated: 2024-03-25 14:00:00
    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 might affect Earth.

  • Hidden depths and a cosmic mystery

    Updated: 2024-03-22 14:30:00
    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

    Updated: 2024-03-22 14:00:00
    China's Queqiao-2 spacecraft will relay communications to Earth to support lunar far side and south pole missions, including missions led by international partners.

  • The Planetary Society advocacy priorities in NASA’s final 2024 budget

    Updated: 2024-03-20 07:00:00
    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 budget for NASA in 2024.

  • Exploring The World of Bias – Episode 1

    Updated: 2024-03-16 18:03:18
    Since my retirement a few years ago, I have focused on two primary topics of interest. One is to mak

  • Transits are cool, but…

    Updated: 2024-03-15 14:30:00
    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 bottle, and more.

  • NASA's FY 2025 Budget

    Updated: 2024-03-12 06:00:00
    The White House proposed $25.4 billion for NASA in 2025, a modest increase from the previous year, and far less than originally planned.

  • Your impact: March equinox 2024

    Updated: 2024-03-11 14:01:00
    Announcing the first C. Wallace Hooser award for visionary philanthropy

  • Seizing upon syzygy

    Updated: 2024-03-11 14:01:00
    How scientists use total solar eclipses as opportunities to do solar science.

  • An exquisite cosmic coincidence

    Updated: 2024-03-11 14:01:00
    Why eclipses on Earth are unlike anything else in the Solar System.

  • Science to satisfy curiosity

    Updated: 2024-03-08 15:30:00
    The Curiosity rover is climbing a mountain to gain knowledge. Bringing back Mars samples will gain us even more.

  • Lunar success stories

    Updated: 2024-03-01 15:30:00
    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

    Updated: 2024-02-28 22:40:00
    It was a busy month at the International Space Station.

  • A ridge over hidden water

    Updated: 2024-02-23 15:30:00
    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.

  • OSIRIS-APEX, NASA's asteroid Apophis chaser

    Updated: 2024-02-20 21:49:00
    The NASA probe is on a mission to the potentially dangerous asteroid Apophis

  • Far from predictable

    Updated: 2024-02-16 15:30:00
    Some things, like solar cycles, are hard to predict. Others, like Zoozve taking the world by storm, are even more unpredictable.

  • The path forward for Mars Sample Return

    Updated: 2024-02-14 19:25:00
    A brief summary of The Planetary Society's policy principles and recommendations for Mars Sample Return.

  • Become an Eclipse Explorer!

    Updated: 2024-02-14 15:46:00
    In anticipation of the total solar eclipse on April 8, 2024, The Planetary Society has partnered with the National Park Service to launch a new Eclipse Explorer Junior Ranger booklet.

  • The best places to search for life in our Solar System

    Updated: 2024-02-12 15:00:00
    From Earth's neighboring planets to distant moons, these are the best places to look for alien life.

  • What is Venus' quasi-moon Zoozve?

    Updated: 2024-02-12 08:34:00
    The story behind the newly-named quasi-satellite of Venus.

  • Cool and mysterious

    Updated: 2024-02-09 15:30:00
    A cool moon, a mysterious planet, and a potentially hazardous asteroid feature in this week’s space news roundup.

  • The coolest moons of Jupiter and Saturn you’ve never heard of

    Updated: 2024-02-05 15:00:00
    Meet the lesser-known moons of our Solar System's gas giants.

  • Asteroid City

    Updated: 2024-02-03 09:37:02
    Det is Berlin. Meteorites from Asteroid 2024 Bx1, which just hit Earth, may be super-rare space rock

  • Go fetch!

    Updated: 2024-02-02 15:30:00
    A rover collects samples, future Mars Sample Return missions will retrieve them, and perhaps a robotic dog will play fetch somewhere along the way.

  • What to look forward to in space in 2024

    Updated: 2024-02-02 15:00:00
    A total solar eclipse and the launch of Europa Clipper are on our list of cosmic events to get excited about this year.

  • Principles for Mars Sample Return

    Updated: 2024-01-30 14:00:00
    Do it now. Do the science proposed by the community. Do it together. But do it with balance.

  • Uranus' biggest unsolved mysteries

    Updated: 2024-01-29 15:00:00
    Distant, icy Uranus has puzzled scientists for decades. From its sideways spin to its mysterious magnetic field, the oddball world has many secrets waiting to be revealed.

  • Colorful faults and false colors

    Updated: 2024-01-26 15:30:00
    We might not know what color the planets really are, but we know a whole lot of other fascinating things about them.

  • Asteroids vs comets vs meteorites/meteoroids/meteors

    Updated: 2024-01-26 15:00:00
    A handy guide to help tease apart the differences between asteroids, comets, meteors, meteorites, and meteoroids. e

  • Twice as nice

    Updated: 2024-01-19 15:30:00
    Sometimes the Solar System offers up a planetary pair for our viewing enjoyment. Japan has a pair of missions in the news. And the Sun and Moon will pair up to create an eclipse in just 12 weeks.

  • Why the true colors of the planets aren't what you think

    Updated: 2024-01-19 15:00:00
    Cameras on our space probes act as proxies for our own eyes, but what they see isn't necessarily what our eyes would see.

  • What is a planetary conjunction?

    Updated: 2024-01-18 16:55:00
    An explainer on planetary conjunctions, and what it means when a planet is at conjunction or at opposition.

  • Casting Shadows: Solar and Lunar Eclipses with The Planetary Society

    Updated: 2024-01-16 18:15:00
    Announcing the first in a new series of kids books from The Planetary Society and Lerner Publishing Group.

  • Destination: Moon

    Updated: 2024-01-12 15:30:00
    Getting to the Moon — or any moon — isn’t easy, but it’s worth it. That’s why we speak up in support of the hard work that it’ll take to get there.

  • Online courses

    Updated: 2024-01-09 17:08:00
    An overview of the online courses available to Planetary Society members.

  • Visions of Venus

    Updated: 2024-01-05 15:30:00
    See our neighboring planet in radar and in artwork, and catch up on the week’s space news.

  • Day of Action 2024 - Participant Information

    Updated: 2024-01-03 15:00:00
    Information for registered participants of The Planetary Society's 2024 Day of Action.

  • Happy Perihelion!

    Updated: 2023-12-29 15:30:00
    There’s lots to celebrate this week, from the New Year to perihelion and everything we’ve accomplished together during the last orbit.

  • How do we see the surface of Venus from space?

    Updated: 2023-12-29 15:00:00
    Although Venus is shrouded in a thick atmosphere, several spacecraft have been able to image its surface from space. Future missions will expand and refine the maps we already have.

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