Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the nighttime sky. The moon, nearly two nights past first quarter and ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing ...

The moon, nearly two nights past ... After dazzling Venus has set at around 9 p.m., Jupiter becomes the brightest "star" in the late evening hours and into the middle of the night. It is three-fold ...