Samantha Rolfe of the University of Hertfordshire writes about the possibility that alien life exists on Earth, but we just can’t see it. Life is pretty easy to recognise. It moves, it grows, it eats, ...

Scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond our solar system. They detected in an alien planet's atmosphere the ...

The arrival of the interstellar object 3I/ATLAS has reignited one of the most profound debates in science: whether Earth's biological history is unique or the result of ancient extraterrestrial ...