ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Learn how you can see bright Jupiter from Earth, helped by its massive size and banded, reflective cloud tops, in December's ...

On Oct. 14, 2024, NASA launched a robotic spacecraft named Europa Clipper to Jupiter’s moons. Clipper will reach the ...

Scientists have discovered Earth-sized dark UV spots at Jupiter's poles, likely caused by magnetically driven vortices ...

NASA Juno spacecraft data has been used to create an animation of "Steeple Mountain" and a lava lake known as Loki Patera on ...

Jupiter, its Great Red Spot and three of its four largest satellites are visible in this photo taken Feb. 5, 1979, by Voyager 1. Io, Europa, and Callisto are seen against Jupiter disk.

Kat Troche of the Astronomical Society of the PacificJupiter is our solar system's undisputed king of the planets! Jupiter is ...

Jupiter shines brightly in the east around 7 p.m. right now. Our solar system’s largest planet is nicely placed between the horns of Taurus, the Bull.

Open star clusters sparkle as Luna and Venus line up and Jupiter’s moons jockey for position in the sky this week.

Magnetic vortices twisting down from Jupiter's ionosphere into its deep atmosphere cause giant, ultraviolet-absorbing polar ...

Juno also snapped pictures of Jupiter's potato-shaped inner moon, named Amalthea. With a radius of only 52 miles (84 ...

On November 21, 1676, the Danish astronomer Ole Rømer discovered the speed of light. Before Rømer figured it out, scientists ...