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September 10, 2015
NASA's newest set of Pluto photos shows the dwarf planet in unprecedented detail
These New Horizons photos are truly amazing.
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August 29, 2015
NASA's New Horizons spacecraft has a new destination: a 30-mile-wide chunk of ice
It could help us better understand the formation of the solar system.
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July 17, 2015
Inside New Horizons: What it's like to conduct a 9-year mission for a 3-minute flyby
The anxiety that comes with running a mission 3 billion miles away.
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July 17, 2015
New Horizons' Pluto photos keep coming — and they're incredible
It's a whole new view of the fascinating world.
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July 17, 2015
Is Pluto a planet? The debate that won't end, explained.
The reason why astronomers say no.
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July 16, 2015
6 surprising things the government spends way more on than the Pluto mission
Among other things: annual payments to dead federal workers.
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July 16, 2015
6 amazing things New Horizons has taught us about Pluto
It used to be a point of light. Now it's a fascinating new world.
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July 15, 2015
7 reasons why the New Horizons Pluto mission is a big deal
There hasn't been a mission like this in a generation.
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July 15, 2015
Photos of Pluto: The best images from NASA's New Horizons mission
We're seeing Pluto for the first time.
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July 15, 2015
New Horizons' photos from the Pluto flyby are finally here — and they're amazing
This is a fascinating new world.
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July 15, 2015
What to expect during NASA's New Horizons Pluto flyby
It'll be over in a few minutes — but we won't get photos for more than a day.
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July 15, 2015
New Horizons flew by Pluto this morning — and we just got the signal confirming it
It's official: The spacecraft visited a new world.
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July 14, 2015
New Horizons just flew by Pluto — the first spacecraft ever to do so
It's about to show us the dwarf planet for the first time.
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July 14, 2015
The crowning achievement of the Pluto mission, in one photo
Pluto used to be a point of light. Now it's a new world.
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July 14, 2015
NASA's New Horizons mission to Pluto, explained
11 things to know about the historic journey.
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July 14, 2015
Pluto flyby: Watch the New Horizons mission live
At 7:49 am ET, New Horizons will become the first spacecraft to visit Pluto.
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July 13, 2015
Sorry, Pluto: You're really not a planet
The very good reasons behind its controversial demotion.
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July 12, 2015
Why some scientists think Pluto should be a planet again
The case for reclassifying Pluto — along with Eris, Haumea, and Makemake.
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July 11, 2015
A probe headed to Pluto is carrying the ashes of the guy who discovered Pluto
New Horizons is carrying all sorts of interesting keepsakes.
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July 10, 2015
How a 12-year-old girl gave Pluto its name
The surprising story behind the beloved dwarf planet.
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July 9, 2015
NASA's incredible 3 billion mile journey to Pluto, explained
We've flown a spacecraft by every planet, but not Pluto. That's about to change.
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July 7, 2015
Most people think Pluto is blue or gray. Turns out it's reddish brown.
NASA's New Horizons probe just took the best photos ever of Pluto.
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June 22, 2015
This 3-minute film will get you excited about NASA's mission to Pluto
Why the historic mission is such a big deal.
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June 3, 2015
Pluto has football-shaped moons that tumble chaotically through space
The more we learn about Pluto's moons, the weirder they get.