Humans were not designed for space. Ironically, because we insist on going there anyway, scientists now know from studying astronauts that the lack of Earth’s gravity can wreak health havoc, such as ...

"Extremophile" bacteria could survive asteroid impacts that are strong enough to launch them into space, suggesting that life could travel between planetary bodies.

This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world 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 ...

Life's capacity to survive in simulated lunar and Martian soils has been explored in two papers published in Scientific ...

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.

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

A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.

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.

A look at how local resource use, material innovation, and autonomous construction are enabling practical habitat development ...

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...