Jupiter hosts the brightest and most spectacular auroras in the solar system. Near its poles, these shimmering lights offer a glimpse into how the planet interacts with the solar wind and moons swept ...

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...

Although Europa is the fourth largest of Jupiter’s 95 moons, it’s the smallest of the Galilean moons – the largest being Ganymede. With an equatorial diameter of about 3,100 kilometres, Europa is ...

Sky This Week is brought to you in part by Celestron. Friday, January 9Mars is in conjunction with the Sun at 7 A.M. EST, ...

The new moon tonight turns the sky into a natural observatory, stripping away glare and letting Jupiter, Saturn and the ...

With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky.

Jupiter, the largest planet in the solar system, will emerge near sunset, stay in view through the night and only dip below ...

On January 18, 2026, the new moon creates dark skies for observing Jupiter, Saturn, and the Orion constellation. Detailed positions and celestial coordinates for global observers are provided.

What will we see in the southern sky in 2026? A total eclipse of the moon (at a convenient time), a blue moon and a supermoon, the two brightest planets close together, and Jupiter disappearing behind ...