Scientists are starting to get a clearer picture of how Pluto’s strange, hazy atmosphere works. Their latest discovery, concerning waves rippling through the dwarf planet's atmosphere, means ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Pluto is far from the only world to host atmospheric gravity waves. They occur on Earth, created by volcanic eruptions or intense heating from the charged aurora. Wind and weather can also ...

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's atmosphere, while at the same time giving methane and other organic ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

Astronomers declared Pluto a planet in 1930, but its weak gravity couldn’t fully explain Neptune’s orbital wobbles. Scientists kept searching, and by the 1990s they were busy discovering many ...

On Pluto, gravity is lower and the atmosphere is more tenuous—Banegal explains that gaseous escape from Pluto occurs at a distance seven times the radius of the dwarf planet.

Make Pluto a planet again. According to a new study published in the scientific journal Icarus, Pluto never should have been downgraded more than a decade ago. Pluto was reclassified as a dwarf pla… ...

After a nearly decadelong journey, the New Horizons spacecraft zoomed past Pluto early Tuesday. The dwarf planet is now the most distant object ever visited by humanity. New Horizons’ closest ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

The mission timeline we created is as follows: Launch in December 2028, a Jupiter gravity-assist flyby in October 2030, braking into Pluto orbit beginning in 2046, and concluding in 2059.