Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star, an unprecedented ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some ...

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

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the astronomers said. A gaseous disk surrounding the young star is the first stages of ...

Previously, astronomers have observed giant planets, like Jupiter, forming in the giant discs around young stars. According ...

M. McClure et al./Cover Images Astronomers have spotted the birth of a new solar system for the very first time ever. Using the ALMA telescope, in which the European Southern Observatory (ESO) is a ...

According to the paper laying out the research behind the discovery, "TOI-1846b is a super-Earth-sized planet, with a radius ...

Earlier this month astronomers were thrilled to discover only the third known interstellar object ever seen in our solar ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

New findings about interstellar comet 3I/ATLAS reveal its surprising size, possible thick disk origin, and what makes it ...

As a young NASA scientist during the Apollo era, William Borucki helped design the heat shield that brought Apollo 11 ...

A rare meteorite from Mars sold for a record-breaking $5.3 million at a Sotheby’s auction, making it the most valuable ...