The moon greets Jupiter two days ahead of its full moon phase on Feb. 1.

Sky This Week is brought to you in part by Celestron. Friday, February 6The bright star Sirius dominates the southern sky ...

Humanity’s relationship with the moon has always been simple. One planet, one moon — a cosmic partnership as reliable as sunrise. But that clarity just got murkier. Astronomers have confirmed ...

The period features lunar close approaches to Uranus and Jupiter, including the Last Quarter Moon phase. Jupiter also presents transit events of its Galilean moons, Io and Europa, accompanied by their ...

Ahead of the anticipated launch of the Artemis II mission, catch a glimpse of February’s full moon, called the snow moon.

October features significant planetary phenomena, including two transits of Titan across Saturn and recurring tandem transits of Io and Europa across Jupiter's disk, often with their shadows. 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 ...

Looking for a sky event this week? Check out our full Sky This Week column. January 25: Aries' Hoofprint Saturn's four brightest moons are lined up for ideal viewing this evening. You can catch the ...

The curious minds at What If explore the consequences of Earth having not one but two moons in the sky, imagining tides, eclipses, and nocturnal landscapes transformed.

Stargazers will in one week have a chance to spot Saturn and the moon sharing a section of the night sky in what's known as a conjunction.