Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just finding distant worlds, they are cataloguing places with molten surfaces, ...

Finding life elsewhere in the cosmos is no easy task. We’ve been searching for decades and, so far, we haven’t heard from anyone and we haven’t found anywhere that looks quite like home. While ...

The Alien franchise has been a cornerstone of the sci-fi genre since Ridley Scott unleashed the xenomorph on the world in 1979. Now, as the decades have passed, the franchise has had highs and lows ...

Don’t expect a straightforward timeline, because continuity is a mess with the Alien and Predator timelines (even if, as in this list, you choose to ignore tie-in comics, novels, and games). Predator: ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...