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

An experiment mimicking conditions on the Saturn moon suggests that cell-like bubbles don’t form in methane lakes, puncturing hopes for alien life.

Experiments funded by NASA’s Jet Propulsion Laboratory suggest that the potential life-supporting ingredients found in the frozen methane lakes and seas of Saturn’s moon Titan are unlikely to support ...