A conceptual mission known as "Persephone" could explore Pluto and its moons for 50 years — if it ever gets funded and ...

You might be thinking about a giant trilobite found on Pluto, or maybe a dinosaur skeleton on the planet. However, when ...

The caldera may have blasted out its cryomagma in a single explosive event, or it may have spread its eruptions over time.

New data from the James Webb telescope reveals that Pluto's strange atmospheric haze controls its climate, surprising ...

Another (and, in our view, more important) source of energy for life on Iceheim is the heat coming from its core, underneath ...

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the ...

Pluto was demoted as a planet because Astronomers anticipated finding about 10,000 Pluto-like objects. Astronomer Mike Brown considers 130 trans-Neptunian bodies to be likely dwarf planets, ranked ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

A mysterious crater on Pluto may not be the result of an ancient impact but rather the collapsed caldera of a massive icy ...

Giant, ridge-like structures of methane ice, known as "bladed terrain," may be much more abundant along Pluto's equator than previously realized, a new study suggests.

A formation known as the "Dumbbell Nebula" – nicknamed because it looks like a dumbbell – should be easy to spot throughout ...