In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her colleagues opted for the name Persephone, after Pluto's wife and "queen of the ...

Pluto may have been demoted to non-planet status, but it still commands a court of five moons, as is fitting for the king of ...

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

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and probing mysteries of the Universe.

The New Horizons spacecraft sends back its sensational snapshots of Jupiter, and its volcanic moon Io, before the mission's close encounter with Pluto (Photo by: Photo12/Universal Images Group via ...

Finally, a family portrait of Pluto is beginning to emerge! For the first time ever, astronomers have captured two never-before-photographed moons orbiting Pluto. NASA's New Horizons spacecraft ...

Traditional theories suggest that Pluto's formation process is similar to that of other celestial bodies in the Kuiper Belt, ...

NASA's New Horizons probe flew closer to Pluto than any Earth-craft ever has Tuesday, sending back amazing photos of the dwarf planet. Photos of Pluto leading up to the New Horizons flyby Before June ...

It may look a little blurry, but the bright orange-tinted circle in the middle of the photo above is the first color image of Pluto and its largest moon, Charon. The image was taken by the Ralph color ...