James Webb Space Telescope Sees Jupiter's Rings, Moons and Auroras Credit: Space.com | imagery courtesy: NASA, ESA, Jupiter ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

But it hasn’t always been this way. Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the first ever discovered orbiting another planet. They were spotted by Galileo ...

But it hasn’t always been this way. Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the first ever discovered orbiting another planet. They were spotted by Galileo ...

The goal is to reach Europa, the smallest of the planet's four Galilean moons ... For instance, last year, the European Space ...

But centuries ago the first telescopic observations of other planets revealed that many have moons as well; Jupiter has four giant, easily seen satellites, and Saturn has several that are visible ...

For instance, the Hubble Space Telescope entered safe mode relatively recently as scientists worked on remedying some ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

Gigantic Asteroid Impact Shifted the Axis of Solar System's Biggest Moon Sep. 3, 2024 — Around 4 billion years ago, an asteroid hit the Jupiter moon Ganymede. Now, a researcher realized that the ...

NASA’s Juno spacecraft entered safe mode twice during a recent close pass of Jupiter, temporarily halting science operations.