Scientists working with the James Webb Space Telescope were shocked when they discovered hydrogen sulfide on the exoplanet known as HD 189733b. The colorless gas with a strong sulfuric stench has ...

Planet HD 189733b is a gas giant exoplanet discovered in 2005, according to NASA. "This far-off blue planet may look like a friendly haven – but don’t be deceived! Weather here is deadly," the ...

A report in the upcoming Astrophysical Journal Letters reveals that analysis of data from the Hubble Space Telescope shows that a planet known as HD 189733b most likely shares Earth’s blue tone.

Now, data from the James Webb Space Telescope has revealed another intriguing feature of the planet known as HD 189733b: It smells like rotten eggs. Researchers studying HD 189733b’s atmosphere ...

This illustration shows HD 189733b, a huge gas giant that orbits very close to its host star HD 189733. The planet's atmosphere is scorching with a temperature of over 1000 degrees Celsius ...

This artist's concept shows exoplanet HD 189733b orbiting its yellow-orange star, HD 189733. (NASA, ESA, G. Bacon ) Scientists have discovered what they believe is a cobalt-blue planet circling a ...

This cool space wallpaper is an illustration showing HD 189733b, a huge gas giant that orbits very close to its host star HD 189733. The planet's atmosphere is scorching with a temperature of more ...

An international team of astronomers working with the Hubble Telescope made the discovery observing HD 189733B, one of Earth's nearest planets outside the solar system. Frederic Pont of the ...

Figure 1: Comparison of spectral observations with broadband photometry and theoretical models of the dayside atmosphere of HD 189733b. We have investigated the significance of the 6.2-μm bump ...