About 4. 6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity.

Understanding the gas from which stars form is a fundamental goal in astrophysics. This is a pressing issue for pristine galaxies — those low in heavy elements, known as metals — whose growth remains ...

Scientists spotted the heavy water (which we'll get into in just a moment) in the planet-forming disk of gas and dust around ...

Rogue planet Cha 1107-7626 is swallowing gas and dust at roughly six billion tons each second, the fastest planetary growth ...

Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.