Despite this, the slightly eccentric and tilted orbits of the Solar System’s gas giants remain an enduring mystery. New ...

Astronomers analyzing archival images from JWST have discovered an unexpectedly vast population of the smallest asteroids ever seen in the asteroid belt between Mars and Jupiter.

NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

The winter stars are like that. They're bright, sparkly and arrive "from a distance" low on the eastern horizon and gradually ...

New research on Ceres reveals hidden organic materials, suggesting subsurface reservoirs and internal energy sources.

Scientists with NASA's Juno mission to Jupiter have discovered that the volcanoes on Jupiter's moon Io are each likely powered by their own chamber of roiling hot magma rather than an ocean of magma.

Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.

New research on Comet 67P indicates that its water may be similar to Earth's, contradicting earlier findings by Rosetta's ...

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the most volcanic world in the solar system.

If the planet has a liquid ocean underneath, its yellow crust caked in sulfur, it will be more squishable compared to a more ...

Hundreds of volcanoes and lava lakes on Jupiter’s moon Io are likely powered in the same way as Earth’s volcanoes.

The Sun is an incandescent but benevolent dictator. For billions of years, it's kept our Solar System well organized and ...