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Stories, updates, insights, and original analysis from The Planetary Society.
Creating a guidebook for Earth's hypothetical twin
Early Earth's atmosphere wasn't a place for humans. Yet the planet had microbial life—something we should keep in mind for exoplanets.
International meetings: Moon initiatives
Interest is rising globally in expanded lunar science, resource exploration and eventually permanent human settlement. Also, the potential for commercial lunar enterprises is being seriously examined.
New Horizons prepares for encounter with 2014 MU69
Throughout 2018, New Horizons will cruise toward its January 1 encounter with 2014 MU69. Preparations for the flyby are nearly complete.
Dawn Journal: 4 Billion Miles
Permanently in residence at dwarf planet Ceres, Dawn is now preparing to add some finishing touches to its mission.
A new look at Venus with Akatsuki
Amateur image processor Damia Bouic shares a plethora of stunning new images of Venus captured by a Japanese spacecraft.
HiRISE image coverage of the Curiosity field site on Mars, Version 4.0
The latest and greatest update of Emily's list of all the Mars Reconnaissance Orbiter HiRISE images that contain Curiosity hardware, tracks, or traverses.
No plumes? No problem. How Europa Clipper will analyze an icy moon's ocean
Europa doesn't have grandiose plumes like Enceladus. So how will the Clipper mission figure out what's in Europa's ocean?
Curiosity update, sols 1814-1926: Vera Rubin Ridge Walkabout
Curiosity is climbing across the top of Vera Rubin Ridge, spying varicolored rocks. It's getting closer to being ready to drill again, and has performed a wet chemistry experiment for the first time.
The Mars Exploration Rovers Update: Opportunity Beats Winter, Wraps 2017, and Heads for 14th Anniversary
With the Martian winter on the run, Opportunity cruised closer to its 14th anniversary of exploring the Red Planet in December as she deliberated a distinctive “fork in the road” deep in Perseverance Valley and wrapped another record year.
What changed with space directive #1?
President Trump signed Space Directive #1, formally implementing as policy what Vice President Pence had announced at the first meeting of the National Space Council in October: that NASA will focus its human spaceflight efforts on a return to the Moon, and then onto Mars. What really changed?
Mastcam-Z team blog: Landing sites
It takes years to decide where a Mars rover is going to land. Members of NASA's Mars 2020's camera team describe their participation in the process.
Pretty Pictures of the Cosmos: Snapshots of Chaos
Award-winning astrophotographer Adam Block brings us stunning images of beautifully chaotic scenes across the universe.
Visualize today's solstice with images from Earth-observing satellites
What do the shortest days of the year look like from space?
#AGU17: Spherical harmonics, gravity, and the depth of winds at Jupiter
Results from the Juno gravity science experiment presented at last week's American Geophysical Union meeting suggest Jupiter's winds penetrate only to 3000 kilometers deep.
A closer look at China's audacious Mars sample return plans
China is making steady progress on a proposed mission to bring a piece of Mars back to Earth in the late 2020s.
#AGU17: JunoCam science
JunoCam may be an outreach instrument, but its superb photos of storms on Jupiter are providing plenty of data for scientists to talk about.
Brief note from #AGU17: Juno observes volcanism on Io
At the American Geophysical Union meeting, members of the Juno team showed observations of active volcanism on Jupiter's moon Io.
An exoplanet-hunting space telescope turns and takes a photo of Earth
On December 10, Kepler—NASA’s prized exoplanet discovery telescope—will finally turn back and take a picture of the Earth.
The case for Venus
NASA is about to pick finalists for its next New Frontiers mission. Will Venus make the cut?
The Mars Exploration Rovers Update: Opportunity Returns Fundamental Finding in Perseverance, Cruises Through Winter Solstice
Opportunity continued the historic winter science campaign inside Perseverance Valley and delivered the goods that confirmed an important discovery in November, and then cruised through winter solstice, driving the mission closer to its 14th anniversary of surface operations coming up in January.



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