A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

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