When New Horizons flew past Pluto in 2015, it revealed a surprisingly active, icy world full of unexpected landscapes, glaciers, and possible cryovolcanoes. Despite being reclassified as a dwarf ...

Pluto’s dark side has come into dim view, thanks to the light of the dwarf planet’s moon. When NASA’s New Horizons spacecraft flew past Pluto in 2015, almost all the images of the dwarf planet’s ...

Researchers simulate how an ancient impact left a pear-shaped dent on Pluto. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When NASA’s New ...

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 ...

Cleveland Cavaliers taking a wiser, tougher approach to a title run this season -- Terry Pluto (photos, video) Terry Pluto talks Cavaliers media day, Johnny Manziel and Carlos Santana: Podcast Talk ...

When NASA's New Horizons spacecraft first snapped photos of an unusual heart-shaped scar on Pluto in 2015, the new view bolstered theories that the frigid world harbored an underground ocean.