It looks like Jupiter, but it's not! An illustration of the newly discovered star, W1906+40, shows a raging storm near one of its poles. (NASA/JPL-Caltech)

We know that clouds can form on Earth and other planets – but scientists have just found the best evidence that clouds, and storms, can form on stars.

Using NASA's Spitzer and Kepler telescopes, astronomers have found a star that's eerily similar to Jupiter. For a star, it's cooler in temperature and much smaller than most. But the storm raging near one of its poles is larger than Earth.

"The star is the size of Jupiter, and its storm is the size of Jupiter's Great Red Spot," saidJohn Gizis of the University of Delaware, thelead author of the study, which was .He said the star's storm has been going on for at least two years.

"While planets have been known to have cloudy storms, this is the for a star that has one," said NASA.

It's the star's cool nature that's responsible for the cloudy and stormy surface. It's a kind of star known as an L-dwarf, which as a sub-class of brown dwarfs that fuses atoms and generates light. Other brown dwarfs don't have enough mass to create that fusion.

(MORE: )

NASA said the newly discovered L-dwarf, W1906+40, is most likely a star because of its age. Its surface is about 3,500 degrees Fahrenheit – whichhappens to be just cool enough for a cloudy atmosphere.

The storm is much different than one we'd encounter on Earth, however. "The L-dwarf's clouds are made of tiny minerals," said Gizis.

While NASA has previously reported that , known as "failed stars," this observation of a storm on a star that has atomic fusion opens up the door for more research into whether this phenomenon is unique or common.

"It goes to show that the moniker 'failed star' ," Ian O'Neill of Discovery News said. "Perhaps brown dwarfs should in fact be known as 'overachieving planets.'"

MORE ON WEATHER.COM: Best Space Photos of 2015

NASA’s Solar Dynamics Observatory captured this close-up image of an outburst on the sun's surface, between Nov. 3-5, 2015. Though the sun’s extreme ultraviolet light is invisible to our eyes, the wavelength is colorized here in red. (NASA/SDO)