Explore Worlds
Find Life
Defend Earth
All
All
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
The Mars Exploration Rovers Update: Opportunity Pops Wheelies Over Etched Rocks in Perseverance
As brutally cold got even colder at Endeavour Crater in October, the depths of winter gripped Opportunity, and ‘life’ on Mars slowed. But the robot field geologist continued to work on through the doldrums of the season.
Bridenstine makes his case for NASA administrator job
Republicans and Democrats spent nearly 3 hours showering Bridenstine with both praise and criticism.
After Cassini, What’s Next for the Outer Planets?
The Planetary Society likes to look ahead, and in that spirit we organized a reception at the Library of Congress to bring scientists, legislators, and their staff together to honor Cassini and get excited about our future in the outer planets.
#DPS17: The Moon's Giordano Bruno crater through many eyes
Today's story from the Division for Planetary Sciences meeting looks at one youthful rayed crater on the Moon from many different spacecraft.
Then vs. Now: How the Debate Over a Distant Planet in the Solar System Has Evolved
What have we learned about the distant objects in our Solar System beyond Neptune in the past year?
Explore spinnable Saturn and Jupiter moons with Google Maps
Google Maps released several new map products that allow you to see the locations of named features on many solar system planets and non-planets, spinning them around in space with your mouse.
Here's how engineers closed out LightSail 2 for flight
The Planetary Society's LightSail 2 spacecraft is in a flight-ready state, marking a major milestone for the program.
Is There Anybody out There?
The Planetary Society has supported SETI, the search for extraterrestrial intelligence, practically since our founding in 1980. Learn the past, present, and future of SETI.
#DPS17: Wobbling the Moon and art by James Tuttle Keane
James Tuttle Keane is increasingly famous (among planetary scientists anyway) for his remarkable illustrated notes from conferences. Here's his work from the Division for Planetary Sciences meeting, illustrating both his own and others' research.
#DPS2017: Progress report on Mars Reconnaissance Orbiter images of comet C/2013 A1 Siding Spring
Three years ago, on October 19, 2014, comet C/2013 A1 Siding Spring passed within 138,000 kilometers of Mars. At the 2017 meeting of the Division for Planetary Sciences of the American Astronomical Society, we heard a progress report on Mars orbiter imaging of the comet's nucleus.
American R&D Policy and the Push for Small Planetary Missions at NASA
Planetary Society Policy Adviser Jason Callahan summarizes his paper he presented at the 2017 International Astronautical Congress in Australia, where he examined NASA's low-cost Discovery program and how federal policies directed at higher education initially bolstered planetary science into a viable field.
Planetary Society-funded telescopes help find ring around Haumea, a distant dwarf planet
Haumea has a ring! Two telescopes used in the discovery—one in Slovenia, and one in Italy—received funding from The Planetary Society's Shoemaker Near Earth Object (NEO) Grant program, which helps amateur astronomers find, track and characterize near-Earth asteroids.
Cassini’s Last Dance With Saturn: The Farewell Mosaic
Amateur image processor Ian Regan shares the story of processing Cassini's final images of the ringed planet.
Meet VOX, a proposed mission to uncover the secrets of Venus
Van Kane brings us newly released details of the Venus Origins eXplorer (VOX), one of NASA's 12 New Frontiers mission proposals.
Space Policy & Advocacy Program Quarterly Report - October 2017
As a service to our members and to promote transparency, The Planetary Society's Space Policy and Advocacy team publishes quarterly reports on their activities, actions, priorities, and goals in service of their efforts to promote space science and exploration in Washington, D.C.
Doing SETI Better by Understanding Ourselves
One of the reasons SETI is hard is that we don’t know exactly what we are looking for, and part of that difficulty is that we still aren’t sure of who we are. An astronomer and an anthropologist team up to explore how cultural myopia shape what we can find in the cosmos.
We choose to go to the Moon and do the other things
Vice President Mike Pence kicked off the National Space Council's first meeting today by declaring Americans will return to the Moon. Casey Dreier and Jason Davis analyze this new direction for NASA's human spaceflight program.
Dawn Journal: 10 Years in Space
A decade after leaving its first home in the solar system, Dawn is healthy and successful at its current residence around Ceres.
A new year's worth of Mars Orbiter Mission data
India's Mars Orbiter Mission has now completed three years in orbit at Mars, and ISRO celebrated the anniversary by releasing the mission's second-year data to the public. Emily Lakdawalla spent a week downloading and processing data for your enjoyment.
Mars Exploration Rovers Update: Opportunity Braves Onset of Winter to Picture Perseverance
The Martian winter began to grip Endeavour Crater in September, slowing Opportunity's pace. But she braved the brutal cold in Perseverance Valley and followed her commands to visually document everything in sight.