Astronomers have discovered the heavy element barium in the atmospheres of two blisteringly hot gas giant planets outside the solar system. Detecting barium around the extreme exoplanets WASP-76 b and ...

Astronomers have discovered the heaviest element ever found in an exoplanet atmosphere -- barium. They were surprised to discover barium at high altitudes in the atmospheres of the ultra-hot gas ...

In 2021, WASP-76b made headlines as the most heavy metal exoplanet. The gas giant, bigger than Jupiter, orbits its star at a distance closer than Mercury — and astronomers suggested it was so hot it ...

In 1938, German chemists Otto Hahn and Fritz Strassmann made a groundbreaking discovery. Their experiments with uranium ...

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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 ...

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

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 ...