Using the W.M. Keck Observatory on Mauna Kea, astronomers at the University of Hawaiʻi have precisely measured the age of a ...

Add Yahoo as a preferred source to see more of our stories on Google. SIMP-0136 is a strange celestial object somewhere between a planet and a star. Using the new space telescope, researchers have now ...

Twirling pair Artist’s impression of Gliese 229Ba and Gliese 229Bb orbiting each other to create Gliese 229B. The brown dwarf pair orbit a cool M-dwarf star (shown in the distance) every 250 years.

Astronomers at the University of Hawaiʻi have precisely measured the age of a nearby sun-like star and its unusual companion, ...

Astronomers using the James Webb Space Telescope’s MIRI instrument have captured high-resolution spectra of COCONUTS-2b, one of the coldest known planetary-mass companions, revealing oxygen and ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. (Main) illustration of a ...

A new image from the James Webb Space Telescope shows a stunning view of a star cluster that contains some of the smallest brown dwarfs ever identified. A brown dwarf, also sometimes known as a failed ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — A celestial object ...

Brown dwarfs are objects that straddle the dividing line between stars and planets. They form like stars, growing dense enough to collapse under their own gravity, but they never become dense and hot ...

Peppered throughout the universe are balls of gas that never got promoted to stardom. In a strange twist, evidence has just emerged that the most famous of these orbs is actually a double-act. Where ...