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Stories, updates, insights, and original analysis from The Planetary Society.
Approaching Mars on Spaceship Earth
One of the great things about space exploration is how it can shift your perspective. And you don't even need to leave home.
Eleven perijoves
Seán Doran has made a cool visual index to the images that JunoCam took during Juno's first 12 closest approaches to Jupiter.
#Mercury2018: From MESSENGER to BepiColombo and beyond
A Mercury meeting held May 1-3 summarized the current and future science of the innermost planet. Emily Lakdawalla was there and shares her notes.
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).
Juno's 12th perijove in lifelike color
With the help of some preprocessing of JunoCam images by Mattias Malmer, Don Davis shows us how Jupiter might have looked on April 1, 2018, if we'd been aboard Juno.
Philae science results: Comet 67P is crunchy on the outside, soft on the inside
What is the surface of a comet like? That's one of the main questions that motivated Philae's mission to the surface of comet 67P/Churyumov-Gerasimenko. We now know the comet has a rigid crust about 10 to 50 centimeters thick, below which the comet is much more fluffy.
Go Atlas, go Centaur, go InSight!
NASA’s next Mars mission launched successfully from Vandenberg Air Force Base today!
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.
Moon Monday: Prometheus
Happy Monday! Here's a picture of Prometheus. You may think it's a picture of Saturn. Look hard, toward the bottom, and you'll see Prometheus, doing its part to keep the F ring in line.
OSIRIS-REx shows us space isn't entirely empty
What a cool photo of OSIRIS-REx's sample return capsule! But wait, what's that black dot near the top?
Curiosity Update, sols 1972-2026: Completing the Vera Rubin Ridge Walkabout
The Curiosity team has completed its initial survey of the top of Vera Rubin Ridge, and is ready to make another attempt at drilling after the rock at Lake Orcadie proved to be too hard.
Moon Monday: Deimos
Digging into the Viking archives to produce a new old composite of Mars' smaller moon.
Seeing InSight
Last week, I received a golden ticket that gave me rare access to a sacred space: the cleanroom facility where NASA's next Mars lander, InSight, is undergoing final preparations for launch.
Preview of the InSight Mars launch
NASA’s next planetary launch is coming up, as soon as May 5, 2018. This post is your one-stop shop for information about InSight’s launch, cruise, and expected mission to Mars.
A new storm on Saturn!
On March 29, vigilant astronomer Maciel Bassani Sparrenberger discovered that a new bright spot had broken out in Saturn's high northern latitudes.
Moon Monday: Galileo's Galileans
This week it seems fitting to feature a portrait of the Galilean moons by Galileo.
#LPSC2018: Fungi in the lab, hot springs frozen cold, and exploding lakes
The first astrobiology session at last week's Lunar and Planetary Science Conference featured talks on a huge variety of interesting topics, and was one of my favorite sessions at the meeting.
#LPSC2018: Collaborative notes from conference sessions
At last week's Lunar and Planetary Science Conference, I tried a new experiment: collaborating with other attendees to take a shared set of notes.
Tiangong-1: How to follow the space lab's decaying orbit and reentry
With the space station likely to fall on April Fool's Day, it's important to know whom to follow for reliable information.
#MoonMon: Io's pretty plumes
On this Moon Monday, I'm featuring an animation processed by Gordan Ugarkovic, showing Jupiter's volcanic moon Io with its prominent plumes.