Images from NASA's Galileo mission reveal a tantalizing starburst-like feature. Scientists call it a "wall demon." ...
Europa’s “wall-demon” scar resembles lake stars on Earth, prompting researchers to investigate whether it indicates pockets of water beneath the moon’s frozen surface ...
Irish planetary scientists have christened a spider-like feature on Jupiter's icy moon Europa as "Damhán Alla," which ...
Astronomers have uncovered new evidence that Jupiter’s moon Callisto likely harbors a massive underground ocean, potentially ...
A new analysis of data from NASA’s Galileo spacecraft reveals a subsurface “ocean” of magma–either molten or partially molten–beneath the surface of Jupiter’s volcanic moon Io. The finding, from a ...