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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
Are UFOs or UAPs real?
Something weird is happening — something that, even as an astronomer, I once struggled to explain.
Mars’ enduring role in the search for life
New discoveries underscore why we must keep exploring the red planet.
NASA discovers Mars rock with ancient potential for life
A single 3.5 billion-year-old rock shows signs of all the conditions life needs to thrive.