One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point of interest on Jupiter's moon Io. For example, one X u ...

Missing some cosmic intervention in your life lately? How about bringing the cosmos to your fingertips? You can perhaps bring ...

It was considered a dress rehearsal for the more critical asteroid encounters ahead closer to ... back pictures from its latest asteroid flyby, revealing a long, lumpy, odd-shaped space rock.

James Webb Space Telescope Sees Jupiter's Rings, Moons and Auroras Credit ... Here’s a look at an iconic 1978 photo of its first employees and where they are now At Final Four, Houston stopping ...

Jovian storms can rework the whole chemical makeup of Jupiter's deep atmosphere by picking up ammonia from and dropping it somewhere else. It would appear that a really big storm on Jupiter can ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...