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 translates to "spider" or "wall demon." ...

The first pair of Galileo navigation satellites to launch on an Ariane 6 lifted off from Europe's Spaceport in Kourou, French ...

Delays in the development of Ariane 6, part of a broader European “launcher crisis,” forced the European Commission to turn ...

Europe has taken significant steps in its space capability and strategic resilience with the successful launch of two Galileo ...

LOS ANGELES - Since 1989, the camera on NASA's Galileo spacecraft has captured a comet slamming into Jupiter, volcanoes erupting on one of its moons and the first known moon orbiting an asteroid. On ...

Europe demonstrated its space autonomy yet again on December 17, with its Ariane 6 rocket successfully placing two more ...

In the end, it was the hint of life on an icy moon that doomed the Galileo spacecraft to a fiery death. This afternoon, the NASA spacecraft will end its 2.8-billion-mile odyssey with a suicidal plunge ...

The review is unrelated to the launch of two more Galileo satellites Europe planned to deploy from an Ariane 6 at the European spaceport in Kourou, French Guiana, at 2:01 a.m. local time. The mission, ...

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 ...