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 ...

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

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

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 ...

Recent developments in astrobiology have sparked global intrigue as scientists report the detection of a potential alien life signal emanating from a star system 120 light-years away. This discovery ...

Every day, humanity sends out countless signals into the cosmos, a byproduct of our technological advancements. While these transmissions are crucial for our communication and exploration, they also ...

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

A new analysis of Saturn's moon Titan that reduced the odds of a subsurface liquid ocean has increased the chances of ...

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 ...