Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...

Vega provided the first telescopic evidence of a disk of planet-forming material, but there are no planets to be found around ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

We're showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Our solar system ...

When Voyager 2 flew past the ice giant 38 years ago, it revealed a magnetosphere warped by solar winds, a finding uncovered through recent analysis of archival data.

Samples collected from the near-Earth asteroid Ryugu have revealed clues about a primordial magnetic field that helped asteroids, planets and moons grow in our solar system. Analysis of three ...

On its 66th flyby of the king of planets, Juno has captured spectacular views of the stormy atmosphere, processed by citizen ...

Since NASA's Juno spacecraft entered Jupiter's orbit in July 2016 and began transmitting image data, the world has gotten ...

Legendary Star Lacks Evidence for Large Planet Construction Ever since the dawn of human consciousness, skywatchers have been ...