The search for alien life has moved from planets to moons. This video dives into the hidden, globe-spanning oceans beneath ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

On the frozen surface of Jupiter’s moon Europa, a strange, star-shaped scar has become an unlikely focal point in the search ...

Earth’s deep-sea hydrothermal vents provide a model for understanding how life could exist on Europa. Holden’s team is studying how vent microbes generate energy using hydrogenases to predict what ...