While Jupiter's main aurora has a great deal of hot materials, a snapshot showed a cold spot in Io's auroral footprint.

Using the Webb telescope, scientists discovered an unexpectedly cold, dense region within Io’s auroral footprint in Jupiter’s northern lights.

Never-before-seen temperature and ion density measurements reveal that the effect of Jupiter's moons on its aurora are more complicated than scientists thought.

Astronomers using the Large Binocular Telescope in Arizona have taken a close-up picture of Jupiter's volcanic moon Io that rivals similar photos taken from space. When you purchase through links on ...

CAPE CANAVERAL, Fla. (AP) — The world’s newest and biggest space telescope is showing Jupiter as never before, auroras and all. Scientists released the shots Monday of the solar system’s biggest ...

Despite the dramatic name, these alignments aren’t exceptionally rare. The last six-planet parade occurred in January 2025, ...

January has kept sky-gazers busy with a steady stream of celestial events. We're less than 10 days into the year, and we've already had a supermoon, the peak of the Quadrantids meteor shower and an ...