Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

The Solar System, our cosmic home, is a fascinating and dynamic region of space filled with a diverse range of planets, moons ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

Stars and planets are naturally associated with one another. While some planets have gone rogue and are drifting through ...

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

In contrast, our solar system is much more expansive and has no planets inside the orbit of Mercury. Credit: NASA/JPL-Caltech Star and planet formation has largely been considered separate ...

At this point, the planet is large enough to hold onto large amounts of hydrogen and helium and becomes a gas giant like Jupiter and Saturn in our solar system. Planets larger than Neptune are ...