Pluto is hiding a very big secret some 3 billion miles away from Earth: a vast ocean of liquid water. If you could suck all of the liquid from below the dwarf planet's icy shell, it might amount to a ...

Astronomers have just found the best evidence yet of an entire ocean in an exceedingly unlikely place—the dwarf planet Pluto, in the dark hinterlands of the solar system. There, nitrogen and other ...

Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with the wonders of the universe as she is. When she's not daydreaming about flying through space, she's daydreaming ...

A suspected subsurface ocean on Pluto might be old and deep. New analyses of images from NASA’s New Horizons spacecraft suggest that the dwarf planet has had an underground ocean since shortly after ...

If you’re planning on visiting Pluto anytime soon, best to bring some warm boots. A frigid, possibly “slushy” subsurface ocean could be lurking under the crust of the dwarf planet, according to a new ...

(CNN) --Today, the dwarf planet Pluto orbits the sun from the edge of our solar system and its surface temperature is an inhospitable negative 378 to negative 396 degrees Fahrenheit. But a new study ...

HOUSTON-Scientists have found evidence that tiny, distant Pluto harbors a hidden ocean beneath the frozen surface of its heart-shaped central plain containing as much water as all of Earth's seas. The ...

When NASA’s New Horizons spacecraft flew past Pluto in 2015, researchers hoped that its data would help them unravel some of the dwarf planet’s mysteries. Instead, the discoveries made during the ...

It seems Pluto is incapable of running out of surprises. The latest research suggests the tiny dwarf planet may hold a vast subsurface ocean under its icy crust. When NASA's New Horizons spacecraft ...

The left side of Pluto’s bright “heart” is known informally as Sputnik Planum. (Credit: NASA / JHUAPL / SwRI) Scientists have been saying for months that Pluto could have a salty, sloshing ocean ...

The New Horizons spacecraft spied extensional faults on Pluto, a sign that the dwarf planet has undergone a global expansion possibly due to the slow freezing of a subsurface ocean. (Credit: NASA / ...

If there's one place in our solar system you would expect to be as frozen solid as a box of forgotten ice lollies, it would be Pluto. However, PhD student Noah Hammond at Brown University says that ...