Scientists have called for Pluto to be classified as a planet again following a new study into planetary science. Pluto was controversially relegated to the status of “dwarf planet” in 2006 by the ...

Pluto pulled Adeene Denton into its orbit during her undergraduate internship at the Lunar and Planetary Institute in Houston. It was summer 2015, when the New Horizons spacecraft zoomed past the ...

The science payload for NASA’s New Horizons mission completed its last major preparations for flight last week. The probe will be the first to visit Pluto and its moon, Charon. The compact New ...

(UPDATE: July 6: Good news! The mission will return to normal science operations July 7 - more details below.) For and hour and 20 minutes on the 4th of July, NASA lost touch with its New Horizons ...

We now know Pluto much better, thanks to NASA's New Horizons mission, leaving CNET's Eric Mack to wonder how the former planet compares to our home rock. Eric Mack has been a CNET contributor since ...

The biggest known ice volcanoes, which spew ice instead of lava, are located on Pluto. Now it turns out size is not the only feature setting apart Pluto's "cryovolcanoes" from all others. In a study ...

The icy process may be present on other worlds. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Pluto is geologically alive. Bizarre geometric ...

The first close-approach images from New Horizons are out, and they are spectacular. Both Pluto and its largest moon, Charon, have far younger surfaces than scientists expected. Pluto has mountains ...

Astronomers recently discovered two more moons orbiting Pluto in addition to its already-discovered moon, Charon. Madeleine Brand talks with Ira Flatow, host of NPR's Talk of the Nation Science Friday ...