Stories, updates, insights, and original analysis from The Planetary Society.
A hazy shade of winter
A Martian explorer hunkers down for winter and a planet’s haze is explained.
A galaxy that spins in more ways than one
Listen to the sounds of the Whirlpool Galaxy and look back at our earliest picture of it.
The view from a rover’s eyes, and tips for viewing the night sky
What do professional basketball players have in common with a Mars rover? Plus more news from the adventure of space exploration.
Two Mars Missions Are Gutted Despite Near-Record Funding for Planetary Science
A new budget submission from the White House would continue record-high funding for planetary science, but proposes deep cuts to 2 productive Mars missions and defers funding for deep space telescope dedicated to finding hazardous near-Earth objects.
Walking on Mars: Bringing the Red Planet Down to Earth
What happens when you print a map of Mars the size of a basketball court?
What's up in the solar system, October 2016 edition: ExoMars arrives!
ExoMars Trace Gas Orbiter arrives on October 19, and it will deliver the Schiaparelli lander to its brief life on the Martian surface. Juno's headed into its science orbit, MOM has released science data, and New Horizons will finally finish downlinking Pluto flyby data.
A new angle on Mars for Mars Odyssey
Mars Odyssey has been in space for 15 years. It flies in a special
What's up in solar system exploration: February 2016 edition
What's going on with our robotic planetary missions? In February I count more than 20 planetary spacecraft exploring six targets beyond Earth or cruising to new destinations.
Seven Mars spacecraft attempted observations of comet Siding Spring. How did they go?
It's been two weeks since comet Siding Spring passed close by Mars, and six of the seven Mars spacecraft have now checked in with quick looks at their images of the encounter. I round up all the results.
Status update: All Mars missions fine after Siding Spring flyby
All seven Mars spacecraft are doing perfectly fine after comet Siding Spring's close encounter with Mars.
Curiosity Rover Science Plan Slammed by NASA Review Panel
Senior review recommends continuing all major planetary exploration missions, but not without some changes.
Mars orbiters plan for their October encounter with comet Siding Spring
Now that we have reasonable confidence that our Mars orbiters will be safe from the close passage of comet Siding Spring, we are free to be excited about the opportunity that the encounter represents. At a community workshop on August 11, representatives from Mars missions shared their plans for great comet science.
What's up in planetary missions in 2014
With the New Year upon us, what can we look forward to in 2014? For me, the main event of 2014 is that ESA's Rosetta mission finally -- finally! -- catches up to the comet it has been chasing for a decade. We will lose LADEE, gain two Mars orbiters, and launch Hayabusa2. The year begins with an amazing 24 spacecraft exploring or cruising toward various planetary destinations.
Noachian, Hesperian, and Amazonian, oh my! --Mars' Geologic Time Scale
The Martian Geologic Time Scale is a lot more complicated than the Moon's.
An Ongoing Odyssey
Twelve years on, Mars Odyssey just keeps sending great images.
Ice Cap to Ice Cap with Mars Odyssey
Explore the mysterious Martian landscape with the workhorse of the Solar System, Mars Odyssey.
What's up in the Solar System in August 2012
Welcome to the monthly roundup of our solar system's envoy of electronic explorers! All eyes are on Curiosity as it approaches Mars this weekend. Who will lend support at the Red Planet?
What's Up in the Solar System in July 2012
Welcome to my monthly roundup of the activities of our intrepid robotic emissaries across the solar system! Curiosity is about to land; Opportunity has rolled through sol 3000; Odyssey is back online, having switched to a spare reaction wheel; Dawn is now in High-Altitude Mapping Orbit 2; and Cassini is taking advantage of its newly inclined orbit to get spectacular series of images of Saturn's rings.
Curiosity's shrinking landing ellipse
There was good news and bad news in this morning's press briefing about Curiosity rover's upcoming landing on Mars, just eight weeks from now. First, the good news: the landing ellipse has shrunk. The bad news: there's a contamination problem with the drill, and the Odyssey orbiter is in safe mode.
Mars Exploration Family Portrait
Jason Davis put together this neat summary of the checkered history of Mars exploration.