Looking for a sky event this week? Check out our full Sky This Week column. October 26: Iapetus at inferior conjunction ...

Tonight, the Moon will pass close to bright Jupiter, offering stargazers a striking and easily visible sight. This naked-eye event will make two of the night sky’s brightest objects appear side by ...

Jupiter and the moon will rise side by side in the same patch of sky, separated by only about six degrees, while transiting the astrological sign of Cancer. However, their apparent closeness is ...

An unusual cosmic object is helping scientists better understand the chemistry hidden deep in Jupiter and Saturn’s atmospheres — and potentially those of exoplanets. Why has silicon, one of the most ...