(Correction: An earlier version of this story misstated how far Pluto is from the sun. The correct number is 3.7 billion miles.) What was discovered in Flagstaff, Arizona, and killed off in Prague?

“Sputnik Planitia may be as important for Pluto’s climate as the ocean is for Earth’s climate,” explained Bertrand. “If you remove Sputnik Planitia – if you remove the heart of Pluto ...

Pluto, discovered in 1930, was once considered the ninth planet in our solar system. In 2006, the International Astronomical Union reclassified Pluto as a dwarf planet because it doesn't meet all ...

I am a Pluto climate scientist! I investigate how Pluto's climate and atmosphere are coupled to its surface ices and how they have varied with time over the age of the solar system. I use numerical ...

From reproductive rights to climate change to Big Tech ... NASA for the first time have been able to observe the make up of Pluto and other small and icy celestial bodies in the outer solar ...