For decades, Uranus baffled scientists because it seemed to have no internal heat. Now, new computer modeling shows the ...

Astronomers using the James Webb Space Telescope (JWST) have made an unprecedented discovery that promises to reshape our understanding of planetary systems. The exoplanet WD 1856+534 b, located ...

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as number nine in 2006. Now, a group of international researchers say they may ...

"Abnormal, chaotic and strange" are just a few adjectives astronomers are using to describe a perplexing planetary system 60 light-years from Earth. And for one of the two exoplanets orbiting the ...

No planets cooler than about 35.33 degrees Fahrenheit had ever been detected. An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to ...

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists. The planet, called WD 1856+534 b, is a gas giant exoplanet the size of ...

In 2006, updated research led to Pluto being controversially demoted to dwarf planet status by the International Astronomical Union. The reasoning was that Pluto's location in the far-flung ...

A possible cousin of Pluto seems to be circling the far reaches of the solar system. The dwarf planet candidate 2017 OF201 travels in a superwide orbit, with the sun relatively near one end of its ...