Researchers have developed an artificial intelligence model capable of tracking a person’s sleep stages using only three ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

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Q: I’ve noticed lately that there are several intersections where the traffic lights have a yellow border around them. What is the purpose? I see these mostly in Los Angeles County. – Mark Ehlers, ...

December 10, 2025, Mountain View, CA -- For 10 months, a SETI Institute–led team watched pulsar PSR J0332+5434 (also called B0329+54) to study how its radio signal "twinkles" as it passes through gas ...