Gas giants are massive worlds made mostly of hydrogen and helium. They lack solid surfaces, and in our solar system, Jupiter ...

"This confirms that life's building blocks can be formed in a diversity of environments throughout the universe." ...

The planets orbit a star around 133 light-years away from Earth.

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...

Gas giants are enormous planets made primarily of hydrogen and helium. They may contain dense central cores, but unlike Earth, they do not have solid ...

Life needs more than water and the right temperature to exist. New research suggests that only a small number of planets ever ...

Well, at least that means no alien invasions anytime soon.

Key takeawaysIf a gas giant planet is big enough to ignite deuterium fusion, it becomes a brown dwarf instead of a planet.

In the latest scientific discovery, the Hubble Space Telescope shocks space enthusiasts by revealing an unusual object that ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

New measurements from the Juno probe show that the largest planet in the solar system is slightly smaller and flatter than ...