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 likely as 'grey sludge' ...

Scientists have discovered a 'super–Earth' planet less than 20 light–years away, and it could have the right conditions for alien life. The exoplanet, dubbed GJ 251 c, is at least four times larger ...

"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 ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

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 ...