Pluto

The dwarf planet Pluto continues to amaze. This is what you need to know about its active icy volcanoes, subsurface ocean, and mountains of frozen water.

Latest in Pluto

Pluto is not a planet but a dwarf planet. Outline of its corona on black taken by the NASA New Horizons probe.

Pluto

Pluto is not a planet because of one small technicality Pluto is not a planet because of one small technicality

By Charlie Wood

a gray rocky surface of a planet with blue highlighted regions showing potential past volcanic activity

Pluto

Pluto’s icy volcanoes may have once belched ‘antifreeze lava’ Pluto’s icy volcanoes may have once belched ‘antifreeze lava’

By Kate Baggaley

NASA Is Trying To Figure Out What A Mysterious Object Near Pluto Is

Pluto

NASA Is Trying To Figure Out What A Mysterious Object Near Pluto Is NASA Is Trying To Figure Out What A Mysterious Object Near Pluto Is

By Christine Jun

The Best Images of Pluto from New Horizons

Pluto

The Best Images of Pluto from New Horizons The Best Images of Pluto from New Horizons

NASA photo of Pluto

Pluto

Frigid Pluto may have had a toasty start Frigid Pluto may have had a toasty start

By Kate Baggaley

How Pluto keeps its secret ocean warm

Pluto

How Pluto keeps its secret ocean warm How Pluto keeps its secret ocean warm

By Neel V. Patel

Neptune and Triton

Pluto

The outer solar system awaits—but getting there may not be as easy as we’d like The outer solar system awaits—but getting there may not be as easy as we’d like

Pluto

Pluto may be made up of a billion comets Pluto may be made up of a billion comets

By Neel V. Patel

Pluto

The mysterious object NASA is visiting in 2019 might have its very own moon The mysterious object NASA is visiting in 2019 might have its very own moon

By Mary Beth Griggs

Pluto New Horizons

Pluto

Pluto is way cooler than it should be, and now we might know why Pluto is way cooler than it should be, and now we might know why

By Mary Beth Griggs

Cassini just smashed into Saturn’s atmosphere. What comes next for solar system exploration?

Pluto

Cassini just smashed into Saturn’s atmosphere. What comes next for solar system exploration? Cassini just smashed into Saturn’s atmosphere. What comes next for solar system exploration?

By Mary Beth Griggs

MU69 as two objects

Pluto

New Horizons will soon solve a mystery about an object a billion miles past Pluto New Horizons will soon solve a mystery about an object a billion miles past Pluto

By Mary Beth Griggs

NASA just caught a glimpse of the mysterious object New Horizons will reach in 2019

Pluto

NASA just caught a glimpse of the mysterious object New Horizons will reach in 2019 NASA just caught a glimpse of the mysterious object New Horizons will reach in 2019

By Mary Beth Griggs

Deep Space

Don’t get too hyped about ‘Planet 10’ just yet Don’t get too hyped about ‘Planet 10’ just yet

Pluto New Horizons

Pluto

Pluto might be a planet again. Let’s talk about why this matters. Pluto might be a planet again. Let’s talk about why this matters.

By Sara Chodosh

This is what it would look like to land on Pluto

Pluto

This is what it would look like to land on Pluto This is what it would look like to land on Pluto

Pluto

Pluto’s frozen heart may hide an ocean inside Pluto’s frozen heart may hide an ocean inside

Weird Exoplanet

Pluto

This Could Be The Strangest Exoplanet Found Yet This Could Be The Strangest Exoplanet Found Yet

By Ryan F. Mandelbaum

Pluto Probably Has An Ocean Of Underground Water

Pluto

Pluto Probably Has An Ocean Of Underground Water Pluto Probably Has An Ocean Of Underground Water

By Mary Beth Griggs

Pluto’s Strange Shapes Caused By Churning Nitrogen Ice

Pluto

Pluto’s Strange Shapes Caused By Churning Nitrogen Ice Pluto’s Strange Shapes Caused By Churning Nitrogen Ice

By Mary Beth Griggs