Pluto, once thought to be a frozen and lifeless world drifting on the edge of our solar system, may be harboring one of its ...

When 1I/'Oumuamua was first spotted in 2017, astronomers quickly determined that it came from outside the solar system. But ...

Two of Pluto's midsize moons may be made of the guts of its largest moon, Charon, new research suggests.

Experience the 2015 astronomical sensation as New Horizons became the first human-made probe to reach Pluto, unveiling the ...

Researchers propose an ammonia-water slurry as the basis for Pluto's newly discovered geologic activity and possible volcanism, and offer a new method to predict planetary vigor.

Astronomers using the James Webb Space Telescope have uncovered the nature of a strange, blue haze that dominates the climate of Pluto.

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...

And because of Pluto's low gravity, the upper atmosphere extends quite a long way from the surface, by several Pluto radii (the radius of Pluto is 1,188.3 kilometers, or 737 miles).