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

Citizen scientist spots changes on Rosetta's comet

Marco Parigi • February 27, 2017 • 3

Citizen scientist and self-described "comet whisperer" Marco Parisi explains how he made a striking discovery on Comet 67P using Rosetta mission data.

Planetary discovery over the past quarter century

Steven Hauck • December 20, 2016 • 1

2016 marks the 25th anniversary of the creation of what has become one of the primary venues for the publication of research in planetary science: the Journal of Geophysical Research: Planets. This occasion is a good opportunity to look back at what we have learned in this era of expanded exploration and to try to take a peek at the future.

Rosetta in the Rearview: What Have We Learned?

John Noonan • November 07, 2016 • 1

Just over a month ago the European Space Agency’s Rosetta spacecraft finished its mission by spectacularly diving into the comet 67P/Churyumov-Gerasimenko. How did it observations influence and alter our ideas about the typical formation and lifetime of a comet?

Rosetta is gone

Emily Lakdawalla • September 30, 2016 • 6

Today there is one less spacecraft returning science data from beyond Earth. The European Space Operations Centre received the final transmission from Rosetta at 11:19 September 30, UT.

Rosetta spacecraft may be dying, but Rosetta science will go on

Emily Lakdawalla • September 29, 2016 • 3

The Rosetta mission will end tomorrow when the spacecraft impacts the comet. ESA took advantage of the presence of hundreds of members of the media to put on a showcase of Rosetta science. If there’s one thing I learned today from all the science presentations, it’s this: Rosetta data will be informing scientific work for decades to come.

Rosetta end-of-mission event schedule

Emily Lakdawalla • September 27, 2016 • 3

A schedule of what to expect during Rosetta's final hours September 29 and 30, and how you can follow online.

Rosetta end-of-mission update

Emily Lakdawalla • September 09, 2016 • 5

The European Space Agency has shared plans for the end of the Rosetta mission scheduled for September 30, just three weeks from now. The landing site will be located on the "head" of the comet, next to a prominent pit now named Deir el-Medina.

Philae spotted on the surface of comet Churyumov-Gerasimenko

Emily Lakdawalla • September 06, 2016 • 1

Ever since its landing, Philae has been elusive. It went silent just three days later and never returned any more science data, though it made brief contact with the orbiter last summer. Now, just a month until the planned end of the Rosetta mission, the orbiter has finally located the lander in a stunning high-resolution view of the surface.

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

Emily Lakdawalla • August 31, 2016 • 1

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.

Rosetta end-of-mission plans: Landing site, time selected

Emily Lakdawalla • July 26, 2016 • 2

ESA's comet-chasing Rosetta spacecraft is nearing the end of its mission. Last week, ESA announced when and where Rosetta is going to touch down. And tomorrow, it will forever shut down the radio system intended for communicating with the silent Philae lander.

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