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Stories, updates, insights, and original analysis from The Planetary Society.

How do humans try to communicate with aliens?

SETI is the search for extraterrestrial intelligence, using various techniques to look for signals from advanced alien civilizations. METI (messaging extraterrestrial intelligence) is when we send out our own signals for aliens to find.

Way out there

We’re always learning more about the worlds of the outer Solar System, and even those beyond.

Moonshadow, Moonshadow

The Moon casts shadows on itself and on Earth, environmental concerns overshadow a test launch’s success, and exoplanets are awesome (beyond a shadow of a doubt).

Have a nice flight!

Flying on Titan is easy, but not as easy as flying on Deimos. Plus, Juice takes off and Ingenuity captures a view from the air.

Rocket flight and the five dwarfs

Meet the Solar System’s five official dwarf planets, celebrate two major launches, and find out why planets sometimes seem to go backwards across the sky.

Want more space? Speak up!

Detailed Mars maps, insights into the Venusian surface, and views of Uranian rings all have one thing in common: they don’t happen without public support for space.

By Jove! (Literally)

Jupiter’s moons have always been exciting to explore, and a new era of Jovian moon research is about to begin.

Launching and descending

Artemis I is on its way to the Moon, Planetary Academy is here to inspire your kids, and LightSail 2 has come down.

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