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 ...

It was once described by the severed synthetic head of Ian Holm as "the perfect organism," but if things went a different way, a real monkey wrench could have been tossed into the terrifying design ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed 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 ...

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take a far less glamorous means of transport.