With the help of NASA's new James Webb Space Telescope, scientists are learning more about exoplanet "55 Cancri e" -- and it's a scorcher.

55 Cancri e is a super-Earth exoplanet with a super-hot surface. Temperatures could be as high as 4,892 F (2,700 C).

The alien planet 55 Cancri e circles close to a star 40-light-years from Earth and may ooze with supercritical fluid. See stunning views of what it may look like.

Astronomers today have figured out that 55 Cancri e, a planet that's double Earth's size, is largely made of diamonds. Pretty awesome news for gem hunters, but first we need to figure out ...

Astronomers have mapped a two-faced planet where one side is “completely molten” and the other “almost completely solid.” 55 Cancri e, which is 40 light years away from Earth, is ...

SCIENTISTS have discovered that a fiery hell planet may have its own atmosphere and is covered in a sea of molten magma. 55 Cancri e was discovered in 2004 and has remained a mystery to scientists … ...

The remarkable find - named 55 Cancri e - is the densest and most solid planet ever uncovered and is so close to Earth that stargazers can view its sun with the naked eye.