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Dawn Journal: Still More Science

Marc Rayman • July 11, 2017

Orbiting the only dwarf planet inside the orbit of Neptune, Dawn is healthy and continuing to carry out its assignments at Ceres, which includes keeping an eye on cosmic rays.

Dawn Journal: Adaptations

Marc Rayman • May 30, 2017

On the other side of the solar system, invisible by virtue both of the blinding glare of the sun and by the vastness of the distance, Dawn is continuing its remarkable cosmic adventure.

Dawn Journal: On Course for Opposition

Marc Rayman • May 01, 2017

The Dawn spacecraft is about to swing into a new orbital path to observe the enigmatic "bright spots" in Occator Crater on Ceres—among other targets.

Dawn Journal: Bonus Plans

Marc Rayman • March 31, 2017

Now in its third year of orbiting a distant dwarf planet, a spacecraft from Earth is as active as ever. Like a master artist, Dawn is working hard to add fine details to its stunning portrait of Ceres.

Dawn Journal: Intricate Maneuvers

Marc Rayman • March 02, 2017

The Dawn mission is executing an ambitious bonus goal recently devised for its extended mission. Mission Manager and Chief Engineer Marc Rayman brings us his monthly update.

Dawn Journal: A New Perspective on Ceres

Marc Rayman • February 01, 2017

Dawn has moved into its sixth orbital phase, with a new sun angle that provides an opportunity to gain a new perspective on the asteroid Ceres.

Lucy and Psyche Asteroid Missions

Van Kane • January 09, 2017

Last week, NASA selected its thirteenth and fourteenth missions in its low cost Discovery program.

Dawn Journal: Looking Back, Looking Forward

Marc Rayman • January 03, 2017

Dawn is concluding a remarkable year of exploring dwarf planet Ceres. Chief Engineer and Mission Manager Marc Rayman brings us his latest update.

Planetary discovery over the past quarter century

Steven Hauck • December 20, 2016

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.

Dawn Journal: Maneuvering for Science

Marc Rayman • November 29, 2016

Dawn is completing another elegant spiral around dwarf planet Ceres, maneuvering to its sixth science orbit. Chief Engineer and Mission Manager Marc Rayman brings us his latest update.

Dawn Journal: 5th Mapping Orbit

Marc Rayman • November 01, 2016

Dawn just completed another successful observation campaign at Ceres from its latest mapping orbit. Mission Director and Chief Engineer Marc Rayman brings us his monthly update.

Dawn Journal: 9th Anniversary

Marc Rayman • September 29, 2016

Nine years ago today, Dawn set sail on an epic journey of discovery and adventure. The intrepid explorer has sailed the cosmic seas and collected treasures that far exceeded anything anticipated or even hoped for.

Dawn Journal: Diving Low

Marc Rayman • September 01, 2016

Following the conclusion of Dawn's ambitious 8.8-year prime mission on June 30, the spacecraft has been gathering a wealth of data with all sensors in its extended mission as it orbits closer to Ceres than the International Space Station is to Earth.

Dawn Journal: Staying at Ceres

Marc Rayman • July 30, 2016

The official end of Dawn's prime mission was June 30, but the valiant adventurer began its "extended mission" of performing more Ceres observations without missing a beat.

Dawn Journal: In the Details

Marc Rayman • June 08, 2016

Dawn is continuing to record the extraordinary sights on dwarf planet Ceres. The experienced explorer is now closer to the alien world than the International Space Station is to Earth.

Dawn Journal: A New Angle on Ceres

Marc Rayman • May 04, 2016

Since April 11, instead of photographing the scenery directly beneath it, Dawn has been aiming its camera to the left and forward as it orbits and Ceres rotates to map more of the dwarf planet.

Opposition surge comet

Emily Lakdawalla • April 12, 2016

Today, the Rosetta OSIRIS team's Image of the Day is this highly unusual view of the comet with the Sun very nearly behind the spacecraft.

LPSC 2016: Differentiated meteorites provide a glimpse of the early solar system and planets

Helen Ashcroft • April 11, 2016

This year's Lunar and Planetary Science Conference included a session devoted to a group of rocks from space called differentiated meteorites, and their proposed parent bodies.

Dawn Journal: Sharper Views of Ceres

Marc Rayman • April 01, 2016

One year after taking up its new residence in the solar system, Dawn is continuing to witness extraordinary sights on dwarf planet Ceres. Mission Director Marc Rayman brings us his monthly update on Dawn's status.

LPSC 2016: So. Much. Ceres.

Emily Lakdawalla • March 30, 2016

At last week's Lunar and Planetary Science Conference, I enjoyed a large number of talks about Ceres. Now in its Low-Altitude Mapping Orbit, Dawn is showering scientists with high-resolution, color data.

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