A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

Scientists studying distant exoplanets believe that plant life on some worlds could appear red rather than green. The reason lies in the type of light emitted by the host star and how organisms evolve ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

It would take 120 years to travel to planet K2-18b at the speed of light. Here's how we know what could lie there.

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

Are we alone in the universe? While the search for life beyond Earth has so far turned up empty, the infamous question continues to haunt humanity’s exploration of the vast cosmos. Now, NASA’s ...