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When New Horizons' next target passed in front of a star, this scientist was watching from Argentina

Alejandro Soto • June 16, 2017

A team of scientists recently traveled to rural Argentina in the hopes of catching New Horizons' next target—Kuiper Belt object MU 69—crossing in front of a distant star.

Jupiter from New Horizons

Alex Parker • May 16, 2017

Using new image processing techniques, Alex Parker brings new life to an old image of Jupiter captured by the New Horizons mission on its way to Pluto over a decade ago.

Learn the rocket equation, part 2

David Shortt • May 05, 2017

In the second and final chapter of our series, we’ll explore what the rocket equation has to say about travel through the solar system, using the example of launching a rocket to Pluto.

Spaceflight in 2017, part 2: Robots beyond Earth orbit

Emily Lakdawalla • December 30, 2016

What's ahead for our intrepid space explorers in 2017? It'll be the end of Cassini, but not before the mission performs great science close to the rings. OSIRIS-REx will fly by Earth, and Chang'e 5 will launch to the Moon, as a host of other spacecraft continue their ongoing missions.

What's up in the solar system, November 2016 edition: Cassini takes a leap, ExoMars starts science, Long March 5 launch

Emily Lakdawalla • November 01, 2016

Cassini is going to make a major change to its orbit, getting much close to Saturn, setting up 20 "F-ring" orbits. ExoMars will get two science orbits before beginning aerobraking. Long March 5 will have its first launch, while many Earth-observing missions, including Himawari-9 and GOES-R, will go up. But Juno science is on hold.

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

Emily Lakdawalla • October 25, 2016

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

Alan Stern & New Horizons Team Receive Cosmos Award

Jim Bell • October 12, 2016

Alan Stern and the New Horizons mission team are the newest recipients of The Planetary Society's Cosmos Award for Outstanding Public Presentation of Science.

What's up in the solar system, October 2016 edition: ExoMars arrives!

Emily Lakdawalla • October 04, 2016

ExoMars Trace Gas Orbiter arrives on October 19, and it will deliver the Schiaparelli lander to its brief life on the Martian surface. Juno's headed into its science orbit, MOM has released science data, and New Horizons will finally finish downlinking Pluto flyby data.

What's up in the solar system, September 2016 edition: OSIRIS-REx launches, Rosetta ends

Emily Lakdawalla • August 31, 2016

The month of September begins with an annular solar eclipse visible from much of Africa on September 1. On or after September 8, we'll see OSIRIS-REx launch into a two-year cruise toward a rendezvous with asteroid Bennu. But September will close, sadly, with the end of the wonderful Rosetta mission.

What's up in the solar system, August 2016 edition: Juno to get Jupiter close-ups, Rosetta descending, road-tripping rovers

Emily Lakdawalla • July 29, 2016

This month we'll finally see JunoCam's first high-resolution images of Jupiter. We'll also see OSIRIS-REx making progress toward its September 8 launch. Both rovers are road-tripping at Mars, while ExoMars Trace Gas Orbiter has completed a major mid-course correction ahead of its October arrival.

Pluto is not the end

Emily Lakdawalla • July 14, 2016

One year after the New Horizons Pluto flyby, Emily reflects on its significance.

New Horizons Science Team Meeting Report

Ted Stryk • July 11, 2016

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.

What's up in the solar system, July 2016 edition: Juno to enter orbit, NASA missions all extended

Emily Lakdawalla • July 01, 2016

Highlights this month include the impending arrival of Juno at Jupiter, the approval of extended missions for all of NASA's solar system spacecraft, and public data releases from Rosetta, New Horizons, and Cassini.

What's up in the solar system, June 2016 edition: Juno approaches Jupiter

Emily Lakdawalla • June 01, 2016

Your monthly roundup of the adventures of the 20+ robots exploring our solar system.

What's up in the solar system, May 2016 edition: Good news in cruise for Juno and ExoMars Trace Gas Orbiter

Emily Lakdawalla • May 03, 2016

May 2016 will be yet another month of fairly routine operations across the solar system -- if you can ever use the word "routine" to describe autonomous robots exploring other planets. ExoMars' cruise to Mars has started smoothly, and Juno is only two months away from Jupiter orbit insertion. Earthlings will witness a Mercury transit of the Sun on May 9.

How to Make a Pluto Globe

Sarah Morrison • April 08, 2016

Want to make your own globe of Pluto? Here's how!

30th anniversary images of Uranian moons

Emily Lakdawalla • February 02, 2016

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.

What's up in solar system exploration: February 2016 edition

Emily Lakdawalla • January 29, 2016

What's going on with our robotic planetary missions? In February I count more than 20 planetary spacecraft exploring six targets beyond Earth or cruising to new destinations.

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

Emily Lakdawalla • December 21, 2015

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.

DPS 2015: Pluto's small moons Styx, Nix, Kerberos, and Hydra [UPDATED]

Emily Lakdawalla • November 10, 2015

For my first post on results from the Division for Planetary Sciences meeting, I'm going to tell you about Pluto's small moons: Styx, Nix, Kerberos, and Hydra, their bright colors and wacky rotation states.

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