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

What the search for aliens can learn from life on Earth

When searching for extraterrestrial life, we have to base our hunt on what we know about life on our own planet. This may seem limiting, but there's a lot we can learn from the astonishingly diverse lifeforms we have here on Earth.

Sights beyond the visible

See images your eyes wouldn’t normally be able to see, and learn about what these images can teach you.

Are we trashing space?

Humans have left many objects throughout space — whether it's archaeology or simply littering is up for debate.

Shoot for the moon that shoots back

Saturn’s moon Enceladus has some intriguing features: snow, ice, geysers, stripes and much more, all waiting to be further explored.

Rocky worlds rock

This week we're all about the rocky planets: Mercury, Venus, Earth and Mars.

LightSail 2 Sails On!

The Planetary Society’s crowdfunded LightSail 2 spacecraft is going strong and still making history.

Unlikely Space Travelers

Squid, mice, and stuffed animals may seem like Earthlings, but this week they’re coming to you from space.

Venusian Probes and UFOs

Venus is an intimidating destination for spacecraft, and we’re pretty sure Earth hasn’t yet been a destination for aliens.

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