ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

The JUpiter ICy moons Explorer (JUICE) of the European Space Agency (ESA) will investigate Jupiter and its icy moons Europa, Ganymede and Callisto, with the aim to better understand the origin and ...

The main body of NASA’s Europa Clipper spacecraft has been delivered to the agency’s Jet Propulsion Laboratory in Southern California, where assembly, test, and launch operations are underway. The ...

Have you ever wondered how many stars you can see at night? From a perfect dark sky location, free from any light pollution, a person with excellent vision may observe a few thousand stars in the sky ...

On March 2, 1979, a paper in Science ruminated on Io’s strange orbit. Because of the positions and orbits of neighboring moons, Io’s orbit is elliptical rather than circular.

Io, one of the most fascinating moons in our solar system, continues to mystify scientists with its intense volcanic activity and bizarre behavior. This moon, known for its towering volcanoes ...

Robot prototype to explore Jupiter’s icy moon in search for extraterrestrial life Despite the success of the Europa Clipper’s test prototype, going to the moon now seems unlikely.

The private Japanese spacecraft "Resilience" has seemingly been destroyed in a "hard landing" on the moon on Thursday. The lander was carrying what would have been the first European-built rover ...