Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

The unusual orbit of a possible dwarf planet, known as 2017 OF201, makes it less likely that our solar system contains a ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to ...

Once thought to be a barren, rocky body, known as Ceres, it is now revealing itself as something far more interesting, in the ...

A cloud of collapsing gas created our Sun, the first thing to form in our solar system. This happened about 4½ billion years ago. Then the planets began to emerge, as the billions of particles of gas ...

The study by Konstantin Batygin of Caltech and Fred Adams of the University of Michigan pulls off a rare feat in planetary ...

A s the most massive planet in the Solar System, and first to form, Jupiter’s gravity shaped the formation of everything else ...

Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Webb Telescope Captures Its ...

NASA's James Webb Space Telescope has detected frozen water ice in a young star system, HD 181327, marking the first ...