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Stories, updates, insights, and original analysis from The Planetary Society.

Treasure Hunting With Hayabusa2

IN THE EARLY hours of 22 February, light was just beginning to brighten the campus of JAXA’s Institute of Space and Astronautical Sciences (ISAS) in Kanagawa, Japan. It should have been a quiet time, but the Hayabusa2 control room was packed with people. We were about to land on an asteroid.

Rosetta’s Ancient Comet

Rosetta is a European Space Agency mission with contributions from its member states and NASA. Operating such a complex mission with its 11 instruments and Philae lander is a success story in itself, but Rosetta’s greatest success is the science it delivered.

How to Send a Camera to Mars

The next Martian explorer, Mars 2020, currently exists as a robotic skeleton at NASA’s Jet Propulsion Laboratory. Teams across the world are working diligently to construct the instruments that will adorn the rover, inside and out, and thereby give it the tools it needs to explore.

InSight update, sols 43-83: Instrument placement complete

InSight has placed its second science instrument on the ground and set it free. Now it's time to bury the heat probe in the soil.

Why are there no stars in most space images?

Look up at space at night from a dark location and you can see innumerable stars. Why, then, do photos of so many things in space show black space, devoid of stars?

InSight Update, sols 25-42: Seismometer sensors working!

Engineers have leveled the seismometer and made progress on adjusting the position of the tether so that it doesn't interfere for the experiment. Most significantly for the mission, they have balanced the Very Broad Band sensors -- 3 of SEIS’ 6 seismic sensors -- and confirmed that they are generating good data.

What to Expect When InSight Lands on Mars

If all goes well, anxious space fans on Earth will learn of a successful InSight landing on Mars on Monday, 26 November 2018, at 19:53 UTC. Here's a preview of all the landing day events.

Mastcam-Z Team Blog: A Special Team Photomosaic

Mastcam-Z will help the Mars 2020 rover explore the surface of Mars. Dozens of amazing scientists and engineers from across the globe contribute to the development of Mastcam-Z. This year, the team photo was taken with our very own Mastcam-Z testbed unit.

Generation Zero of JPL Planetary Rovers

The Jet Propulsion Laboratory has a fabled history of planetary rovers. But how do you start such a program?

Mastcam-Z team blog: We've got flight hardware!

Right after the last Mastcam-Z team meeting a year ago (link here to last two blog posts), our team finalized the design of the cameras, and then the fantastic voyage of creating Martian panoramic zoom cameras began.

Book Excerpt: The Design and Engineering of Curiosity: How the radioisotope power system works

Readers, colleagues, friends: it's finally happened. My first book is finally out in the world. Here's an excerpt that explains the design and operation of Curiosity's MMRTG, (it also applies to the future Mars 2020 rover power supply).

MarCO: CubeSats to Mars!

MarCO or Mars Cube One is an experimental mission that is sending two tiny spacecraft along with InSight to Mars. If successful, they will relay real-time telemetry from InSight to Earth during the landing.

‘SuperCam’ Update: Multi-purpose Instrument Coming Together for 2020 Launch to Mars

Excitement is building within the SuperCam team as the instrument enters the final stages of assembly and testing toward an anticipated launch aboard NASA’s Mars 2020 rover.

Space grade electronics: How NASA’s Juno survives near Jupiter

Take a look at how electronics of spacecraft are built to survive the harshness of space environments.

Automating Science on Mars

Since 2016, NASA’s Curiosity Mars rover has had the ability to choose its own science targets using an onboard intelligent targeting system called AEGIS.

Maintaining the health of an aging Mars orbiter

NASA has announced changes to how engineers are operating Mars Reconnaissance Orbiter in order to prolong its life as long as possible, long enough to support the Mars 2020 rover mission.

Engineering Qualification Model confirms performance of the Mastcam-Z!

Just this past week, assembly of the Mastcam-Z EQM was completed, and we saw for the first time what one of our Mars zoom cameras would really look like.

Reconstructing the Viking '75 Mars lander Surface Sampler Collector

Viking enthusiast Tom Dahl has created an animation demonstrating the operation of the Viking lander's Surface Sampler Acquisition Assembly, or

Mastcam-Z team blog: Preparing for five-hour operations

It takes hundreds of scientists and engineers many years to design and build just one instrument for a Mars mission. In the first Mastcam-Z team blog post, we'll talk about the special challenges we expect for Mars 2020 operations, and how we're planning to overcome them.

Curiosity's balky drill: The problem and solutions

Since December 1, 2016, Curiosity has been unable to drill into rocks because of a serious problem with one of the drill's motors. Emily Lakdawalla thoroughly explains the issues and the path forward for Curiosity.

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