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

OSIRIS-REx Spacecraft Assembly Nearly Complete

Dante Lauretta • October 14, 2015

The OSIRIS-REx mission continues to make great progress and is in the Assembly, Test, and Launch Operations (ATLO) phase of the program. There's been many great accomplishments leading up to this point.

How do you pronounce "Ryugu?"

Emily Lakdawalla • October 07, 2015 • 2

With some help from astronomer Elizabeth Tasker and a group of astronomy graduate students from the University of Hokkaido, I learn how.

Hayabusa2's target asteroid has a name!

Emily Lakdawalla • October 05, 2015 • 2

JAXA announced today the results of the naming contest for Hayabusa2. The target of the sample-return mission, formerly known as 1999 JU3 and still numbered 162173, is now named 162173 Ryugu.

Favorite Astro Plots #1: Asteroid orbital parameters

Emily Lakdawalla • October 01, 2015 • 3

This is the first in a series of posts in which scientists share favorite planetary science plots. For my #FaveAstroPlot, I explain what you can see when you look at how asteroid orbit eccentricity and inclination vary with distance from the Sun.

Dawn Journal: 8 Years in Space

Marc Rayman • September 28, 2015 • 18

On the 8th anniversary of the launch of the Dawn spacecraft, Chief Engineer and Mission Director Marc Rayman gives his annual summary of Dawn’s progress on its interplanetary travels.

Searching for the Origins of Earth’s Water

Van Kane • September 17, 2015 • 1

Three recently proposed low-cost space missions all aim to answer the same question: Where did Earth's abundant water come from?

Dawn Ceres image bonanza: Grab your 3D glasses!

Emily Lakdawalla • September 09, 2015 • 4

For months, Dawn has been steadily, methodically sharing dozens of images of brand-new sights of a previously unexplored icy world. For the last couple of days I've been making up for lost time, completely buried in the Dawn Ceres images, and I have some maps and 3D anaglyphs to share with you.

Populating the OSIRIS-REx Science Deck

Dante Lauretta • September 01, 2015 • 1

The assembly of the OSIRIS-REx spacecraft continues, with many elements integrated onto the spacecraft ahead of schedule. Last month both OTES and OVIRS were delivered to Lockheed Martin and installed on the science deck.

Dawn Journal: Mapping Ceres

Marc Rayman • August 22, 2015 • 48

More than two centuries after its discovery, Ceres is being mapped in great detail by the Dawn spacecraft. Chief Engineer and Mission Director Marc Rayman gives an update on Dawn's progress.

Dawn Journal: Descent to HAMO

Marc Rayman • July 30, 2015 • 26

With a wonderfully rich bounty of pictures and other observations already secured, Dawn is now on its way to an even better vantage point around dwarf planet Ceres.

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