Pluto, Charon Details Trickle In
February 29, 2016
Happy Leap Year! New photos from Pluto and Charon continue to show enigmatic features.
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Surprising Youth in the Solar System
January 26, 2016
Four solar system objects in the news look young, not billions of years old.
Updates from Outer Planets
January 9, 2016
Let's review some of the latest news from missions to the outer planets.
Pluto May Be Erupting
November 10, 2015
Two mountains that look like giant volcanoes hint at current activity on Pluto.
Pounding Headaches for Solar System Dates
October 19, 2015
It's hard to tell when things crashed into each other.
Pluto Shock Rebounds
October 16, 2015
The first research paper from the New Horizons team focuses and amplifies the shock waves coming from the first images in July.
New Pluto Images Even More Perplexing
September 25, 2015
Pluto has terrain like no other world, leaving scientists perplexed; Enceladus' activity is also inexplicable for "geologic time".
"Overdose of Awesomeness": New Pluto Images Show Unpredicted Activity
September 17, 2015
More images have been released from New Horizons' July 14 flyby of Pluto, showing youthful mountains, glaciers and an escaping atmosphere.
Ski Pluto: Glaciers Are Flowing
July 28, 2015
Planetary scientists are dumbfounded by more evidence of youth at Pluto, both on the surface and in the atmosphere.
Is Pluto Another Geyser World? "Shocking" Images Baffle Scientists
July 17, 2015
In addition to featureless plains, Pluto may even sport active geysers—with no recourse to tidal heating to power them.
Pluto Is Young
July 15, 2015
The New Horizons science team is stunned by surface features on Pluto and its large moon Charon that cannot be billions of years old.
Pluto Inbound Image Stuns Scientists
July 14, 2015
It's not a featureless orb: Pluto has a whale and a heart. A "complex and nuanced" surface shows that Pluto and its large moon Charon had a history.
Where Are the Earth's Impact Craters?
July 13, 2015
The number of impact craters on Earth is almost negligible compared to Mars and the moon. Can erosion explain this?
Will Pluto Surprise Scientists?
July 9, 2015
First-time encounters have a long history of shocking planetary scientists with unexpected features. It's about time for Pluto.
What to Look for at Pluto
June 3, 2015
As New Horizons closes in on Pluto for its July 14 encounter, what questions should be asked?