While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the ...

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends.

There’s no mistaking Jupiter in the sky these Butler winter evenings, rising in the southeast as evening twilight ends. In fact, you should be able to easily see it long before twilight fades.

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

When Pioneer 10 flew by Jupiter on Dec. 3, 1973, its margin of survival was closer to the knife-edge than it seemed. It ...

The James Webb Space Telescope snapped its sharpest image of the area around a black hole, solving a long-standing galactic ...

Jupiter’s moon Europa is on the short list of places in our solar system seen as promising in the search for life beyond Earth, with a large subsurface ocean thought to be hidden under an outer shell ...