New Horizons

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Pluto, as seen by NASA's New Horizons spacecraft during its historic flyby of the dwarf planet in July 2015.

Pluto revealed: 5 years ago, NASA's New Horizons gave us our first close look at this distant world

By Mike Wall last updated

Five years ago today, we started to appreciate just how remarkable Pluto really is.

New Horizons
Pluto’s haze layer displays a blue color in this image obtained by the New Horizons spacecraft's Ralph/Multispectral Visible Imaging Camera (MVIC).

Pluto flyby photos: New Horizons mission leader Alan Stern reveals 10 of his favorite epic views

By Mike Wall last updated

New Horizons' epic Pluto encounter took place five years ago. Celebrate the anniversary with a look at some of the probe's most dramatic and intriguing photos.

New Horizons
Images of the star Proxima Centauri captured by NASA’s New Horizons spacecraft (left) and a ground-based telescope (right). Use a stereo viewer for these photos; if you don’t have a viewer, change your focus from the image by looking “through” it (and the screen) and into the distance. This creates the effect of a third image in the middle; try setting your focus on that third image.

'Looking at an alien sky': New Horizons probe sees shifted star positions (photos)

By Mike Wall last updated

NASA's pioneering New Horizons spacecraft has traveled so far that its view of the cosmos is noticeably different than ours.

New Horizons
The most detailed image of Arrokoth, captured just minutes before New Horizons made its closest approach on Jan. 1, 2019.

One Year Ago, NASA's New Horizons Made the Most Distant Flyby in Space History

By Nola Taylor Tillman published

A year after New Horizons buzzed its second target, Arrokoth, a wealth of science has been revealed.

New Horizons
NASA's New Horizons spacecraft flew by the distant Kuiper Belt object Ultima Thule (2014 MU69) on Jan. 1, 2019. The object, the most distant ever visited by a spacecraft, is now called Arrokoth.

Meet Arrokoth: Ultima Thule, the Most Distant Object Ever Explored, Has a New Name

By Mike Wall published

Hopefully you weren't too attached to "2014 MU69," because the most distant object ever explored has a new name.

New Horizons
new horizons spacecraft

Long After Historic Flybys, NASA's New Horizons Is Still Pioneering Science in the Kuiper Belt

By Meghan Bartels published

New Horizons made an epic flyby of a Kuiper Belt object to ring in the New Year — but scientists need brand-new observations to truly understand that data.

New Horizons
NASA's New Horizons spacecraft flew by the distant Kuiper Belt object Ultima Thule (2014 MU69) on Jan. 1, 2019.

A Gentle Kiss: How the Kuiper Belt Object Ultima Thule Was Born

By Mike Wall published

A surprisingly gentle merger between two small primordial bodies formed the distant object Ultima Thule, a new study suggests.

New Horizons
NASA's New Horizons spacecraft flew by the distant Kuiper Belt object Ultima Thule (2014 MU69) on Jan. 1, 2019.

Ultima Thule's Mystery Mounds Puzzle Scientists

By Mike Wall published

Ultima Thule is lumpy, and scientists aren't sure why.

New Horizons
Zooming in to Ultima Thule while riding along with NASA's New Horizons probe.

Queen Guitarist Brian May Scores Ultima Thule Flyby Time-Lapse Video

By Sarah Lewin published

An ethereal track by Queen lead guitarist Brian May accompanies the awe-inspiring time-lapse view from NASA's New Horizons flyby of a distant solar system object.

New Horizons
A new map produced by the New Horizons team appears to show the many different lumps of rock that converged to form the object nicknamed Ultima Thule.

NASA's New Horizons Reveals Geologic 'Frankenstein' That Formed Ultima Thule

By Meghan Bartels published

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