What if life on other planets doesn’t breathe oxygen at all? Scientists are beginning to rethink one of the biggest ...

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 ...

The possibility of life on other planets is one of the biggest mysteries in science. But what would happen if we actually ...

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

Disclosure Day to hit cinemas in JuneMovie inspired by real-life UFO reports from 2017Christopher Nolan ‌promotes his summer ...

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

Reverse-engineering the billion-year-old enzyme nitrogenase clued researchers into how life originally formed on Earth — and ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

Scientists say caves on Mars and icy moons may host microbial life and serve as future habitats for astronauts to be sent to ...

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal communication.

Earth may have won a cosmic chemistry lottery. Researchers found that during the planet’s earliest formation, oxygen had to be in an extremely narrow “Goldilocks zone” for two life-essential elements, ...

Science writer Becky Ferreira explains biomarkers that scientists can look for to determine whether alien life is inhabiting a planet. The drunkest countries in the world Iran brands US rescue mission ...