Venus, now an "evening star," remains the brightest object in the sky after the moon, while Jupiter shines higher above it ...

The team still can't confidently rule out the existence of Europa's water vapor, especially as similar plumes have been more ...

On the evening of May 20, skywatchers in the United States will witness a striking celestial display as the waxing crescent ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Another day, another show in the sky! If you look up after dark on Wednesday, April 22, you’ll catch a charming moment in the cosmos, no telescope required: a glowing waxing crescent moon hanging near ...

The moon dances with the king of the planets, with the horizon as their stage.

If you’re in the mood for a little late-night magic, you’re in luck! Just after midnight, the moon — now passing its last quarter phase — will light up the east-northeastern horizon, cozying up right ...

North America’s celestial highlights for the weekend ahead, which also apply to mid-northern latitudes in the northern ...

North America’s celestial highlights for the week ahead, which also apply to mid-northern latitudes in the northern ...

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.

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 ...