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

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

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

Launched to Mars in November, NASA’s ESCAPADE probes — operated by UC Berkeley’s Space Sciences Lab — are now testing their ...