TRAPPIST-1 planets may be far more habitable than we first thought
At 40 light years away from Earth, TRAPPIST-1's four Goldilocks zone planets are one of the prime candidates for finding extra-terrestrial life.
Distant Object Reveals How Planetary Building Blocks Were Formed
"This is quite a watershed moment in the field of planetary science," researcher Alan Stern told Newsweek.
Most Distant Object Ever Explored Remained Untouched for 4.5 Billion Years
The rocky world is located around 4 billion miles from Earth.
Pluto's Atmosphere Seems to Be on the Verge of Collapse
At its lowest ebb, the atmosphere is predicted to have less than 5 percent of its current pressure.
Close-Ups Released of Farthest Object Visited by Man
Ultima Thule is located around 4 billion miles away from the Sun.
Ultima Thule Becomes Farthest Object Ever Explored
The distant object, about 4 billion miles from the sun, lies in the Kuiper Belt.
NASA New Horizons: Queen's Brian May to Release Single
"The instinctive, the passionate, the almost unconscious side [of my brain] takes over. As soon as I heard the words…I could hear the melody in my head. It just somehow took shape."
NASA New Horizons Shows Distant Reaches Of Solar System
"This is the most distant exploration of any world in history," Alan Stern said. "We are the Lewis and Clark of our era."
NASA Spots Structure at the Edge of the Solar System
"We're seeing the threshold between being in the solar neighborhood and being in the galaxy."
New Horizons Is Awake Again to Fly by Distant Object
The spacecraft's target is more than four billion miles away from Earth.
Pluto Is Piled High With Dunes of Methane Sand
"We knew that every solar system body with an atmosphere and a solid rocky surface has dunes on it, but we didn't know what we'd find on Pluto."
Ultima Thule: NASA Destination Name Has Nazi Connection
It also means "beyond the limits of the known world."
NASA Releases New Horizons Record-Breaking Photos
The photos broke the record of the famous 1990 photo of the "Pale Blue Dot."
New Horizon's Destination Could be Hiding Tiny Moon
Strange signals suggest MU96 has a "moonlet."
NASA Wants Your Help Naming New Horizons' Next Goal
2014 MU69 lacks the sort of pizzazz NASA looks for in a destination's name.
After Cassini, NASA Plans More Life-Seeking Missions
Don't cry too much about Cassini. Upcoming missions are going to Mars, Mercury, the Sun, Europa and several asteroids.
New Horizons Will Brush by a Hunk of Space Ice
NASA is slowly releasing details about its visit to a Kuiper Belt Object four billion miles away.
NASA Catches Glimpse of Ancient and Elusive Object
Located beyond Pluto, 2014 MU69 will be the farthest object ever encountered by any spacecraft.
Watch: Pluto as You've Never Seen It Before
The video shows Pluto's 2-mile high mountains and icy surface, as revealed in NASA's 2015 mission.
Pluto Seen as a 'Pretty Wild Place Geologically'
High-resolution photos from NASA's New Horizons spacecraft and other data show a complex, geologically active world.
Take a Simulated Tour of Dwarf Planet Ceres
NASA's Dawn spacecraft spent several weeks mapping Ceres from 900 miles up. Here's a simulated tour.
First Scientific Paper Published on Pluto Flyby Is Just the Beginning
Just three months after the historic flyby, the New Horizons team has a paper coming out in the journal "Science."
Blue Skies and Water Ice: New Discoveries on Pluto
Program scientist Curt Niebur explains new data from NASA's New Horizons mission.
New Pluto Photos Reveal a Closer Look at the Dwarf Planet's Landscape
NASA has released an image taken by the New Horizons spacecraft just 15 minutes after its Pluto flyby.
For Pluto 'Truthers,' the New Horizons Mission Is Only the Latest Lie
Continuing a long tradition of space program conspiracy theories, 'Pluto Truthers' claim NASA is faking it.
Why I Joined the Team to Reveal Pluto's Mysteries
How could Pluto hold onto its extended layer of gases over the last 4.5 billion years? It should have long ago escaped.
New Image of Pluto Reveals Mountains but No Impact Craters Yet
One day after the flyby, the New Horizons team makes an important discovery about geology based on a detailed surface image.
New Horizons 'Phones Home': Pluto Flyby Goes Smoothly
The spacecraft's team waited anxiously for it to "let us know it's OK."
Stephen Hawking, Google, Obama and Others Congratulate NASA on Pluto Flyby
Videos, tweets and a Google doodle honor the historic moment in space exploration.