Artificial intelligence is starting to behave in ways that look uncomfortably like it wants to keep itself alive, and one of ...

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

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

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

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...