The superclouds probably produce star-forming clouds of gas, since most nearby stellar nurseries are located within the giants.

Readers discuss how the city can contribute to and benefit from the OMEGA project, climate-driven market failure, and sea-land adventure packages Feel strongly about these letters, or any other ...

The Sun, an ever-burning ball of gas at the center of our solar system, has always fascinated people. But now, scientists are ...

After the sun goes out, what will happen to the solar system — and how long will it last?

In a cosmic first, scientists watched planet-forming materials begin to solidify around a newborn star, offering a peek into what our Solar System may have looked like at birth. It’s a stunning replay ...

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 U.S. company held the first test deployment of its solar arrays designed to power solar-electric propulsion systems for the Gateway space station.

With very little water and a whole lot of carbon monoxide, a composition that is extremely rare around here, Borisov may well have been a very representative comet from whatever solar system it used ...

A Manhattan-sized interstellar comet was spotted blazing through our solar system — marking only the third time a mysterious object from beyond our cosmic neighborhood has been observed.