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

Dawn Journal: History of Ceres

Marc Rayman • December 29, 2014 • 14

As Dawn looks toward the new world of Ceres, Mission Director Marc Rayman looks back on Ceres' discovery.

The YORP Effect and Bennu

Dante Lauretta • December 11, 2014

The YORP effect is a phenomenon that affects the rotation rate and pole orientation of an asteroid. YORP is an acronym that combines four scientist’s names: Yarkovsky, O’Keefe, Radzievskii, and Paddack.

Ceres is round!

Emily Lakdawalla • December 05, 2014 • 3

Okay, so the fact that Ceres is round is not news. It's still thrilling to see Ceres begin to come into focus as a round world.

The Science of “Bennu’s Journey”

Dante Lauretta • November 25, 2014

The OSIRIS-REx project released Bennu’s Journey, a movie describing one possible history of our target asteroid – Bennu. The animation is among the most highly detailed productions created by Goddard’s Conceptual Image Laboratory.

Hunting Binary Asteroids

Bruce Betts • November 07, 2014

Thanks to The Planetary Society’s Shoemaker NEO Grant program, a new telescope has been brought to bear focusing on searching for and understanding the properties of binary asteroid systems.

Dawn Journal: Ion thrusting (or not)

Marc Rayman • November 02, 2014 • 8

Marc Rayman gives the latest update on the Dawn mission, focusing this time on the performance of its ion propulsion system.

Collaboration Between OSIRIS-REx and Hayabusa2

Dante Lauretta • October 20, 2014 • 1

The University of Arizona (UA) hosted representatives of the Hayabusa2 asteroid sample return mission to explore opportunities for collaboration with the OSIRIS-REx team.

What did Dawn learn at Vesta?

Emily Lakdawalla • October 09, 2014 • 12

It's now been two years since Dawn wrapped up its work at the second-largest asteroid. What else did we get from the Vesta encounter besides great photos? Recently, I asked Dawn's deputy project scientist, Carol Raymond, for help in summarizing a few of the big things Dawn taught us.

All That is Known About Bennu

Dante Lauretta • September 24, 2014 • 1

The OSIRIS-REx Design Reference Asteroid (DRA) document is now available to the public. The DRA is a compilation of all that is known about the OSIRIS-REx mission target, asteroid (101955) Bennu.

Last Chance to Fly Your Name to Asteroid Bennu

Bruce Betts • September 22, 2014 • 1

You have just until September 30, 2014 at 23:59 Pacific time, to submit your name, and to tell your friends and family to submit their names, to fly to asteroid Bennu and back on board NASA’s OSIRIS-REx mission.

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