Looking for a sky event this week? Check out our full Sky This Week column. October 18: Io, Europa, and their shadows cross ...

On Oct. 14 NASA’s Europa Clipper was launched from Kennedy Space Center to explore Jupiter’s moon, Europa. It will arrive at Jupiter in April 2030. Europa is believed to have a subsurface ocean with ...

A long-standing mystery about the presence of hydrogen peroxide (H2O2) on Jupiter's icy ocean moon Europa may be closer to being solved. Hydrogen peroxide forms as a byproduct when energetic particles ...

WASHINGTON -- Scientists said they have found evidence of water in the atmosphere of Jupiter's icy moon "Europa." NASA said its Hubble space telescope observed the presence of persistent water vapor ...

This artist's concept depicts NASA's Europa Clipper spacecraft in orbit around Jupiter. The mission is targeting an Oct. 10, 2024, launch. automation Marking the latest foray into space exploration, ...

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

Enceladus has long been considered a prime candidate in the search for life beyond Earth because of its hidden ocean and ...