Most of the planets are aligned in our night sky right now, providing a treat for skywatchers. Are such "planetary parades" visible from other worlds?

Astronomers may have found a way to detect alien worlds embedded in rings of dust around distant stars. Newborn stars often have clouds of leftover gas and dust around them that condense into rings ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Illustration of the Earth-like exoplanet Proxima Centauri b orbiting the star Proxima ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...