Europa, one of Jupiter's icy moons, may hold more liquid water than all of Earth's oceans combined, sealed beneath a thick shell of ice. For years, one of the most promising ideas for studying that ...

Artist’s concept of a water vapor plume on Jupiter’s large moon Europa. It’s thought that this moon has a liquid ocean of water beneath its icy crust. Image via NASA/ESA/K. Retherford/SwRI/SYFY.

Astronomers have studied 14 years of Hubble Space Telescope observations of Jupiter's icy moon Europa, and now suspect that its infamous water vapor eruptions may not exist as was previously thought ...

Composite image from the Hubble Space Telescope, showing possible water plumes on Europa at the 7 o’clock position in this image. NASA’s upcoming Europa Clipper mission will be searching for Europa’s ...

For decades, scientists have searched for worlds beyond Earth that might contain the ingredients for life, and one of the most intriguing places has been hiding in plain sight. New research suggests ...

The prospects of tall, vapory plumes of water gracing Europa's surface caused a huge splash in astronomy—but the very researchers behind this claim now aren't so sure. Reading time 3 minutes In 2014, ...