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

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

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

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity outside the solar system," according to a University of Cambridge study.

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

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

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

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Science fiction writer and futurist Arthur C. Clarke once said, “Two possibilities exist: either we are alone in the universe or we are not. Both are equally terrifying.” And perhaps that fear is what ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

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 ...