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

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such signals have arrived, no RNA instructions lurk in the static, and no shared ...

The discovery of a possible "super-Earth" less than 20 light-years from our own planet is offering scientists new hope in the hunt for other worlds that could harbor life, according to an ...

"It was just a matter of time before we found them." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Thirty years ago, on Oct. 6, 1995, the very ...

You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as you’ve got oxygen, water and food aboard your ...

The Penn State-led Habitable Zone Planet Finder (HPF) provides the highest precision measurements to date of infrared signals from nearby stars. Pictured: The HPF instrument during installation in its ...