(CNN) - NASA has discovered that a year on a sizzling planet known as “hell planet” only lasts about 17.5 hours on Earth. That’s because the planet, formally named Janssen, orbits its host star ...

Of the over 5,000 known planets outside our solar system, one of the most dramatic is 55 Cancri e. Affectionately known as the “hell planet,” it orbits so close to its star that it reaches ...

Scientists have published new details about a scorching hot super-Earth where a year only lasts 17.5 hours and its surface is an ocean of lava. The 55 Cancri e — abbreviated 55 Cnc e — is roughly ...

The exoplanet 55 Cancri e goes by several names, but the rocky world located 40 light-years from Earth is most known for its reputation as a "hell planet." This super-Earth, so named because it's a ...