Pluto
Latest about Pluto
![NASA’s New Horizons spacecraft spotted ice mountains 2 miles (3 kilometers) high on Pluto during its July 2015 flyby of the dwarf planet.](https://cdn.mos.cms.futurecdn.net/EMFzYkV3hBL5xjXa3FDHaB-320-80.jpg)
Should Pluto Be a Planet Again? Informal Vote Offers Support After Experts Debate
By Elizabeth Howell published
A friendly debate about Pluto's planethood yesterday (April 29) ended in an informal vote that came down in favor of reinstating the dwarf planet's status.
![NASA's New Horizons spacecraft obtained this view of Pluto at a distance of about 280,000 miles (450,000 kilometers) on July 14, 2015.](https://cdn.mos.cms.futurecdn.net/Vw6a5a9JcqpdveXZVsJKhf-320-80.jpg)
Pluto Planethood Debate Tonight! Here's How to Watch Online
By Elizabeth Howell published
Ever since Pluto was demoted to dwarf planet in 2006, the debate over its planethood has raged on. Tonight, April 26, you can watch that debate online.
![Craters on the Pluto moon Charon's Vulcan Planitia, as seen by NASA's New Horizons spacecraft in July 2015.](https://cdn.mos.cms.futurecdn.net/yUfYiNprwGDNHeFrJhkkFT-320-80.jpeg)
In Pluto's Realm, Small Objects Are Rare
By Mike Wall published
Researchers have noted a distinct dearth of small craters on Pluto and its largest moon, Charon.
![Charon and Pluto art](https://cdn.mos.cms.futurecdn.net/MZEzUDbah9oLAxqNUpHk2M-320-80.jpg)
Pluto's Biggest Moon Could Give an Orbiter an (Almost) Free Ride
By Nola Taylor Tillman published
A spacecraft orbiting the dwarf planet could use Pluto's moon Charon to make important orbital changes.
![pluto](https://cdn.mos.cms.futurecdn.net/KFN2xvGa93uyDvrvRRFL3B-320-80.jpg)
Is Pluto a Planet? New Paper Adds to Decade-Long Debate
By Meghan Bartels published
Scientists have spent 12 years arguing over how to classify Pluto, and a recently published paper offers a new — but surprisingly old — reason for restoring the object's planetary status.
![Pluto's Surface](https://cdn.mos.cms.futurecdn.net/wAf8qonYBm2uWHi5tscBmd-320-80.jpeg)
'Ask a Spaceman' Series Launches with Trip to Pluto
By Sarah Lewin published
"Ask a Spaceman" is live for the first time on Facebook — and astrophysicist Paul Sutter jumps right into it with a trip to Pluto.
![Charon comparison](https://cdn.mos.cms.futurecdn.net/e9Dq9FYd3h4kUzUuomCgCG-320-80.jpg)
Celebrating 40 Years of Pluto's Largest Moon, Charon
By Nola Taylor Tillman published
Forty years ago, Pluto's largest moon Charon was discovered.
![Tenzing Montes peaks on Pluto](https://cdn.mos.cms.futurecdn.net/BytpuCggJPW4jnxegQSkdV-320-80.jpg)
Pluto and Charon Shine in Most Detailed Topographical Maps Ever
By Meghan Bartels published
Scientists have put together new maps of Pluto and its moon Charon, showing the peaks and valleys of their surfaces in incredible detail.
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