Life could emerge and travel in the total darkness of space, far from any star. Recent work shows that moons accompanying ...

A research team of Specially Appointed Associate Professor Harrison B. Smith of Earth-Life Science Institute (ELSI) at ...

If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...

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

The president in February directed the Department of Defense to begin reviewing government files related to extraterrestrial ...

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

NASA confirmed Thursday that SpaceX will launch the European Space Agency’s Rosalind Franklin Mars rover, perhaps as soon as ...

A single alien world can be misleading. A strange gas in an atmosphere might look promising, then turn out to come from ...

Explore how cutting edge telescopes, AI, and new detection methods are transforming the extraterrestrial life search and ...

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 ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...