All
All
Stories, updates, insights, and original analysis from The Planetary Society.
Two JAXA mission updates: Akatsuki Venus orbit entry and PROCYON Earth flyby coming up!
Akatsuki is finally approaching its second attempt to enter Venus orbit, on December 7; let's all wish JAXA the best of luck! And PROCYON, whose ion engines have failed, is still an otherwise perfectly functional spacecraft that is taking photos of Earth and the Moon as it approaches for a flyby.
DPS 2015: A little science from Rosetta, beyond perihelion
Updated numbers for physical properties of the comet, and a few interesting images of surface features and surface changes on Churyumov-Gerasimenko.
Curiosity update, sols 1109-1165: Drilling at Big Sky and Greenhorn, onward to Bagnold Dunes
Since my last update, Curiosity drilled two new holes, at Big Sky and Greenhorn, and is now approaching Bagnold Dunes.
OSIRIS-REx Progressing Through Environmental Testing
The OSIRIS-REx spacecraft continues to make steady progress toward launch in September 2016. Environmental testing is now underway to ensure the spacecraft is ready for the many conditions it will experience over its mission.
Pretty Pictures of the Cosmos: Lesser-Known Beauty
Award-winning astrophotographer Adam Block shares stunning images of a few rarely-imaged pieces of our universe.
DPS 2015: First reconnaissance of Ceres by Dawn
This is the first major meeting since Dawn's arrival at Ceres, and despite competition with Pluto surface science there was a well-attended Ceres talk session on Monday and poster session on Tuesday.
Detecting Dust Devils with Insight
Planetary scientist and dust devil expert Ralph Lorenz describes how the upcoming Mars InSight lander's sensitive seismometer might be able to detect dust devils.
DPS 2015: Pluto's small moons Styx, Nix, Kerberos, and Hydra [UPDATED]
For my first post on results from the Division for Planetary Sciences meeting, I'm going to tell you about Pluto's small moons: Styx, Nix, Kerberos, and Hydra, their bright colors and wacky rotation states.
A Day in the Solar System: 28 October 2015
On October 28th, the Cassini spacecraft flew through the geyser plume of Saturn's moon Enceladus. But Cassini was not the only spacecraft operating in the solar system that day.
Jupiter Weather Report: 2014/15 Apparition
A summary of Jupiter's changing face as seen from Earth during its 2014/2015 apparition.
ESA mission updates
There have been several important pieces of news about European missions in the last month: Rosetta's fate has been determined; ExoMars Trace Gas Orbiter's launch is slightly delayed; and they have selected a landing site for the ExoMars rover.
Mars Exploration Rovers Update: Opportunity Hits Winter Slopes at Marathon Valley
Opportunity hit the slopes of her seventh winter haven on the south side of Marathon Valley in October as the mission entered the 130th month of what was initially slated to be a 90-day tour.
The round worlds in the solar system: An updated graphic
I have a newly updated scale comparison graphic to share: all the round worlds in the solar system smaller than 10,000 kilometers in diameter, now with added Pluto, Charon, and Ceres.
A Roundup of Dust Devil Research
Planetary scientist Ralph Lorenz briefs us on the current state of our knowledge on dust devils on Earth and Mars.
Dawn Journal: A Bounty of Data
Dawn has completed another successful campaign to acquire a wealth of data in its exploration of dwarf planet Ceres, providing our clearest and most complete view ever of this world.
Mastcam-Z: The Future of Stereo Imaging on Mars
An introduction to the Mastcam-Z stereo imager on the Mars 2020 rover, and brief reporting and reflections on team meetings, science instruments, and the exciting future of The Planetary Society covering the entire lifetime of this instrument, from design to Mars images.
New Concepts to Explore the Jovian System
Last year, NASA’s managers invited the European Space Agency to propose a small spacecraft to explore the Jovian system. Van Kane describes the recently-posted results of ESA's concept studies for two possible missions.
Why Return to the Columbia Hills?
Where should NASA’s next Mars rover, the Mars 2020 sample caching mission, land? One site under consideration is Spirit's old stomping ground, the Columbia Hills.
Dawn data from Ceres publicly released: Finally, color global portraits!
A few days ago, Dawn officially released the first big pile of data from the Ceres mission phase. Thanks to the public release, I can show you color global portraits of Ceres.
Preparing for the Journey to the Moon, Mars and Beyond
Deepak Dhingra reports on a planetary analog field trip exploring a very young volcanic terrain in Idaho at Craters of the Moon National Monument and Preserve.



Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Small Bodies