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

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets ...

New Scans of a Martian Meteorite That Landed on Earth Strengthen ‘Alien Life’ Claims ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

A new study shows that stars with low magnetic activity are likely to support exoplanetary systems, making the hunt for these celestial objects less random.

Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

Hardy bacteria in a lab survived pressures comparable to an asteroid strike on the red planet, suggesting a hypothetical scenario in which our planet was seeded with life.

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

War Machine’s shocking alien invasion ending has sparked questions about a sequel. Here’s the latest on War Machine 2, Netflix’s renewal status, creator comments, and what the story could explore next ...

Emma Stone’s hard-faced corporate CEO has a lot of explaining to do when she is kidnapped by Jesse Plemons’s conspiracy kook. But in this film, asking whether someone is an alien seems an ordinary inq ...

A computer expert pulled off the 'biggest military computer hack of all time,' breaching NASA's system to find what he said ...