The moon and Jupiter will meet before dawn on Sept. 8, before the moon hides the giant planet from view in a rare daytime ...

What if Jupiter’s 79 moons weren’t gravitationally bound to Jupiter? What if they became rogue objects orbiting on their own ...

Looking for a sky event this week? Check out our full Sky This Week column. September 7: Venus and Spica, side by side The ...

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

We already know a decent amount about how planets form, but moon formation is another process entirely, and one we're not as familiar with. Scientists think they understand how the most important moon ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of Uranus and its five largest moons, Miranda, Ariel, Umbriel, Titania and Oberon. In an alternate timeline, ...

The Moon will pass directly in front of Jupiter on September 8, creating a rare celestial disappearing act. Here is when the ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...

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

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Early risers are this week being treated to the sight of a ...

Some of the brightest planets are visible in our night sky, and look for the Moon to shine near them throughout the month of ...