Archived articles

New horizons

Surface of Pluto
10 cool things we've learned about Pluto
Published July 21, 2020
Five years after the historic New Horizons flyby of Pluto, scientists have learned that the planet is far from an inert ball of ice and is one of the most geologically active and exciting places in the solar system
Ultima Thule image from New Horizons
New Horizons
Image reveals fresh Ultima Thule details
Published Jan 25, 2019
Light and dark patterns seen on both lobes of distant Kuiper Belt object in recent New Horizons transmission
3D image of Ultima Thule
Deep space
Ultima Thule, now in 3D
Published Jan 4, 2019
Before passing behind the sun, 'New Horizons' spacecraft relays scientific data daily
A blurry image of an object formed by two spheres
'New Horizons'
Mission reveals entirely new kind of world
Published Jan 2, 2019
New, detailed images of Ultima Thule shed light on the processes that built the planets billions of years ago
Artist's rendering of Ultima Thule object
Pixel perfect
'New Horizons' successfully explores distant Ultima Thule
Published Jan 1, 2019
NASA spacecraft launched in 2006 sends back images of most distant target in history
Image depicts Pluto in brown and gray tones
Status update?
Make Pluto a planet again
Published March 16, 2017
Planetary scientist offers a geophysical definition of planets—which would expand the number in our solar system from eight to about 110
Space oddities
Published Winter 2016
Data from New Horizons reveals Pluto and Charon are anything but dead balls of rock / Johns Hopkins Magazine
Artist stands in front of a poster of his artwork
Space exploration
New stamps commemorate APL space missions
Published June 13, 2016
'New Horizons' and MESSENGER missions celebrated in new postage sets
Large, dark planet illuminated by distant sun
Q+A
Does Planet Nine exist?
Published Jan 21, 2016
JHU planetary scientist Hal Weaver discusses new evidence suggesting a giant Planet Nine lurks beyond Pluto
Blue haze over Pluto
New Horizons
Voyage of a lifetime
Published Jan 20, 2016 Video
10 years ago, 'New Horizons' lifted off on its historic mission to Pluto and beyond