About 4.6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity. The Sun, planets, and eventually Earth formed out of the cloud. But when did ...

You're probably familiar with how the solar system looks today. There are eight officially recognized planets located more or less on the same plane, orbiting the sun. But have you ever given a ...

Discovery of oxygen raises new questions about how solar system formed. In this undated photo, Rosetta finds oxygen on comet 67P. ESA/Rosetta/NavCam – CC BY-SA IGO 3.0 — -- The European Space ...

As our solar system formed, tiny particles in the disk around the young Sun gradually grew larger until they became the size of small pebbles. "Once pebbles grow large enough to no longer travel along ...

Astronomers have witnessed the creation of a solar system for the first time. Data captured by the ALMA telescope in Chile and the James Webb Space Telescope showed planets forming around a star in ...

The Sun's formation caused temperature differences in the surrounding disk of gas and dust. Inner, hotter regions formed rocky planets from less volatile elements. Outer, colder regions allowed ...

Comet 3I/ATLAS, the third confirmed interstellar visitor, is making its final exit from the solar system — and skywatchers ...

A new planetary system is forming around the young star HOPS-315. Scientists observed the earliest stages of planet formation around another star. The process involves the cooling and solidifying of ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.