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

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

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

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

If life ever existed on Mars, it might have looked like microfossils right here on Earth.

Explore the dramatic rock formations of Valle de la Luna in the Atacama Desert, Chile—an alien landscape that earned its ...

A space dog named Doge and a stolen cookie mystery: How Moravian students are nurturing Bethlehem third graders’ creativity ...

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

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant ...

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 ...

What is the most important step that humanity must take to avoid extinction? According to the late physicist Stephen Hawking, ...

If Mars is a long-term dream, then the Moon is emerging as a strategic move and could be the key to realizing Elon Musk's ...