Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small icy world in orbit around Saturn is emerging as one of the most compelling ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms floating in layers in water. Here on Earth, we have carbon-based life forms, ...

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

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 ...

Earth is facing a "blind date" with a "serial killer" interstellar visitor which could "seed life" on our planet, a space boffin has warned. Theoretical physicist Avi Loeb says 3I/ATLAS has shown ...