"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

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

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 ...

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

February full moon: Between January 26 and February 1, the waxing Moon will sweep across star-dense stretches of the sky, ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes ...

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

Jupiter is the biggest planet in our Solar System. With 79 moons, it falls just behind Saturn’s moon count of 82. Imagine looking up into the night sky and seeing not one but 79 different moons ...

The new moon on January 18, 2026, will bring one of the darkest and clearest nights of the year, giving skywatchers an ideal ...

Jupiter reaches opposition, making it brighter and larger than at any other time this year. A rare transit of its moon Callisto adds to the event, visible with binoculars or a small telescope.