The crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16. Turn your eyes to the east in the ...

Three celestial bodies are preparing to meet up for one night in September in a cosmic conjunction that should be widely visible in the sky.

A NASA spacecraft survived extreme radiation and captured rich images of the most volcanic world in our solar system, the tortured moon Io.

By Wausau Pilot & Review Staff This week’s night sky offers a mix of planetary pairings, comet sightings, and a striking ...

The gas giant has been measured for the first time in decades, trimming 8 kilometres from its diameter Jupiter is not quite ...

Is the future great planetary laboratory hurtling in our direction incognito, veiled in gloom and cold? That’s what ...

Astronomers studying an oddball brown dwarf called “The Accident” have finally spotted silane, a long-predicted silicon ...

NASA's Juno spacecraft has spied the final "auroral footprint" of a moon of Jupiter, meaning that it has watched as the moon ...

When Edward Emerson Barnard peered through the 36-inch refractor at Lick Observatory on Sept. 9, 1892, and spotted Amalthea, it marked the first discovery of a moon of Jupiter in 280 years. Galileo ...