Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

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 ...

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 ...

New research suggests that Pluto may have acquired its most massive moon, Charon, through an ancient grazing impact, which the science team refers to as a “kiss and capture”. The study uses computer ...

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 ...

The New Horizons spacecraft will buzz Pluto and its moons in just one day — one Pluto day, that is. The icy world rotates once for every 6 days, 9 hours and 22 minutes on Earth. Starting at 10:28 p.m.

Pluto may have lost its status as a planet more than 13 years ago, but don't tell that to NASA Administrator Jim Bridenstine. Speaking at the University of Colorado recently, Bridenstine made it clear ...

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 ...

"Pluto was found really close to where Lowell thought a planet should be, but it's also a great example of serendipity in science," Schindler said. "When Lowell was doing his work, there was an ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

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 ...