Astronomers have detected barium around the ultra-hot gas giants WASP-76 b and WASP-121 b. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

This artist’s impression shows an ultra-hot exoplanet, a planet beyond our Solar System, as it is about to transit in front of its host star. When the light from the star passes through the planet’s ...

Two massive exoplanets – worlds beyond our solar system – have barium floating high in their atmospheres. This is the heaviest element ever spotted in an exoplanet atmosphere, and astronomers don’t ...

Using the European Southern Observatory's Very Large Telescope (ESO's VLT), astronomers have discovered the heaviest element ever found in an exoplanet atmosphere—barium. They were surprised to ...