brown dwarf

An unusual object is moving so fast it could escape the Milky Way. Scientists aren’t certain what it is

An unusual object is moving so fast it could escape the Milky Way. Scientists aren’t certain what it is

Science
Dr. Sarah Adams

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An object spotted ...

Runaway ‘failed star’ races through the cosmos at 1.2 million mph

Runaway ‘failed star’ races through the cosmos at 1.2 million mph

Science
Dr. Sarah Adams

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration shows a runaway ...

Gaia space telescope helps astronomers image hidden objects around bright stars

Gaia space telescope helps astronomers image hidden objects around bright stars

Science
Dr. Sarah Adams

Scientists have directly imaged eight dim objects accompanying very bright stars within the Gaia data catalog, including so-called “failed stars,” otherwise known ...

A failed star and an ammonia trail could reveal how some giant exoplanets form

A failed star and an ammonia trail could reveal how some giant exoplanets form

Science
Dr. Sarah Adams

Astronomers now have a way to figure out how gas-giant planets form, thanks to a discovery by the James Webb Space Telescope ...