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

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

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.

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

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 ...

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

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

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

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

There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions ...

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to ...

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