Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Tiny life forms adrift in alien skies might one day expose themselves through the faintest play of light. A new study suggests that airborne microbes could leave detectable spectral fingerprints in ...

Every known living thing on Earth needs water. The life-giving liquid makes up around 60 percent of each human’s body weight, regulating temperature, transporting nutrients to cells and protecting ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also ...

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 ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new Johns Hopkins University study finds. The work demonstrates that a certain ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...