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

When it comes to the space sciences, nothing is quite as exciting as the search for alien life, and NASA thinks it has a good idea of where to look.

Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes ...

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 ...

The BBC star opened up about what would happen if he discovered alien life ...

Life's capacity to survive in simulated lunar and Martian soils has been explored in two papers published in Scientific Reports. Treating simulated lunar soil with both symbiotic fungi and ...

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

"Life is always hardier than we expect it to be." The post Scientists Find Microbes Can Survive Traveling from Planet to ...

A new study challenges the traditional boundaries of the habitable zone, showing that liquid water could exist on the dark ...

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

Life needs nutrients like nitrogen and phosphorus. But without the right balance of oxygen, these elements get locked away in planets’ cores.

With Seth MacFarlane teasing a (hopeful) season four (someday), here are the must-watch episodes of his underrated sci-fi series.