Despite being separated by billions of miles, Saturn's moon Titan and the dwarf planet Pluto share an unexplained surface signature.

Pluto's frozen landscapes and hazy atmosphere captured by the New Horizons mission in 2015. (NASA/Johns Hopkins University ...

Pluto, once considered the ninth planet of our solar system, has been a topic of intrigue since its reclassification as a dwarf planet. Recent observations suggest that its atmosphere is expanding, ...

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 ...

The first observations of Pluto by NASA's James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like seasonal cycles of volatile ice redistribution across its surface, and ...

Astronomers recently made an exciting discovery on the surfaces of Pluto and Titan, detecting an unidentified substance using ...

Astronomers have confirmed, for the first time, a trans-Neptunian object with a thin atmosphere—something previously thought exclusive to Pluto among similar objects. Trans-Neptunian objects (TNOs) ...

CAPE CANAVERAL, Fla. — A new study suggests that a tiny, icy world beyond Pluto harbors a thin, delicate atmosphere that may have been created by volcanic eruptions or a comet strike. Just 300 miles ...

Astronomers have detected a thin atmosphere around 2002 XV93, a small trans-Neptunian object, challenging assumptions about the ability of such icy bodies to retain gases.

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial to understanding Titan’s complex chemistry ...