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 ...

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

Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes could travel between planets on asteroids, meaning humans could be descended ...

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

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.

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

Solar winds near aliens’ homes – and ours – might be blowing away signs of alien technosignatures by broadening signals The ...

The possibility of alien life has moved from fiction to scientific inquiry, fueled by government interest in UAP reports. While scientists haven't confirmed alien spacecraft, the universe's vastness ...

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

Anyone familiar with the search for alien life will have heard of the "Goldilocks Zone" around a star. This is defined as the orbital band where the temperature is just right for liquid water to pool ...

Scientists are scrambling to explain why interstellar visitor 3I/ATLAS is carrying life's chemical building blocks at concentrations never before seen, and it makes its final pass through our cosmic n ...