Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Scientists studying distant exoplanets believe that plant life on some worlds could appear red rather than green. The reason lies in the type of light emitted by the host star and how organisms evolve ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

What would happen if we finally confirmed alien life exists? The alien inquiry explores the scientific search for extraterrestrial organisms and intelligent civilizations. From distant planets to ...

An intriguing religious issue is raised by an odd space-age colloquy in mid-February between Barack Obama and Donald Trump. Out of the blue, political podcaster Brian Tyler Cohen asked Obama, “Are ...

Ridley Scott intended for Prometheus to be a completely separate tale from his horror classic Alien, but he also knows why fans didn't connect with it.

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to survive inside, while also protecting them from being desiccated or exposed to ...

Compared to previous theories, the current research emphasizes the complexity of the biological and chemical processes that brought about life.

Your home is crawling with life you can't see. Explore 18 fascinating microscopic beings that live in most houses, from dust mites to strange fungi.

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...