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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

Some big moons in the Kuiper belt

Emily Lakdawalla • January 25, 2018 • 2

In a new preprint, Mike Brown and Bryan Butler show evidence that two Kuiper belt moons are even bigger than we used to think. They are Eris' moon Dysnomia, and Orcus' moon Vanth.

DPS/EPSC update on New Horizons at the Pluto system and beyond

Emily Lakdawalla • October 25, 2016 • 4

Last week's Division for Planetary Sciences/European Planetary Science Congress meeting was chock-full of science from New Horizons at Pluto.

Rapidly Rotating Regular Satellites and Tides

Darin Ragozzine • October 17, 2016 • 2

Pluto’s small moons have unusual rotation rates and states. Now we know a moon of another dwarf planet does as well. Is there a connection?

New Horizons Science Team Meeting Report

Ted Stryk • July 11, 2016 • 3

On July 6 at Lowell Observatory in Flagstaff, Arizona, the science team convened at the place where Pluto was discovered. Ted Stryk reports from the meeting.

30th anniversary images of Uranian moons

Emily Lakdawalla • February 02, 2016 • 6

January 24 was the 30th anniversary of the Voyager flyby of Uranus. Uranian moons have been on my mind ever since New Horizons sent us close-up images of Charon. On the occasion of the anniversary, Ted Stryk produced latest-and-greatest versions of the Voyager views of these worlds.

Pluto updates from AGU and DPS: Pretty pictures from a confusing world

Emily Lakdawalla • December 21, 2015 • 7

Pluto is reluctant to give up its secrets. Last week at the American Geophysical Union meeting I attended sessions featuring results from the New Horizons mission, and most of the presentations could be summed up thusly: the data sets are terrific, but there are still a lot of Pluto features that have scientists scratching their heads.

The round worlds in the solar system: An updated graphic

Emily Lakdawalla • November 02, 2015 • 9

I have a newly updated scale comparison graphic to share: all the round worlds in the solar system smaller than 10,000 kilometers in diameter, now with added Pluto, Charon, and Ceres.

Charon in 3D

Emily Lakdawalla • October 13, 2015 • 3

Last week, the pile of New Horizons LORRI camera raw image releases included nine frames from a high-resolution mosaic on Charon. Together with the color MVIC view, they make a 3D global photo of Pluto's moon. Other recently released goodies include a global backlit color image of Pluto and the first image that resolves the tiny moon Styx.

New Horizons releases new color pictures of Charon, high-resolution lookback photo of Pluto

Emily Lakdawalla • October 02, 2015 • 15

Now that New Horizons is regularly sending back data, the mission is settling into a routine of releasing a set of captioned images on Thursdays, followed by raw LORRI images on Friday. The Thursday releases give us the opportunity to see lovely color data from the spacecraft's Ralph MVIC instrument. This week, the newly available color data set covered Charon.

Roundup of the September 11, 2015 New Horizons raw image release

Emily Lakdawalla • September 15, 2015 • 4

Last Friday the Internet received its first post-encounter pile of goodies from the New Horizons flyby of the Pluto system.

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