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

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

NASA’s search for life beyond Earth is no longer a distant dream but a coordinated campaign that now stretches from Martian ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

The Deep Space Network (DSN) is just the sort of tool aliens could one-day detect, transmitting from Earth. Credit: NASA/JPL What if the first signal ever detected from an alien lifeform wasn't a ...