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Stories, updates, insights, and original analysis from The Planetary Society.
Want to build on our LightSail work? Here are some resources to get started
The Planetary Society is launching a new webpage showcasing LightSail academic papers, schematics, parts and imagery.
Blitzing Congress for NASA
Last February, a group called the Space Exploration Alliance held their annual
CYGNSS Launch: The Human Side
What is it like behind the scenes before, during, and after the launch of a spacecraft?
Hidden Figures: Triumphant in the theater, sobering after
Go see Hidden Figures, and bring your kids. Despite its serious subject matter, the movie is joyful, often funny, and, in the end, triumphant.
SpaceX is ready to fly rockets again. An expert talks about the reason a Falcon 9 blew up last year
SpaceX says they fixed a problem with the helium pressurization system that destroyed a Falcon 9 rocket last year. The company pushes the boundaries of rocket science, creating an occasional jaw-dropping fireball in the process. But will the risk-reward equation change when SpaceX starts flying astronauts?
Lucy and Psyche Asteroid Missions
Last week, NASA selected its thirteenth and fourteenth missions in its low cost Discovery program.
Saturn's Ring Particles
Artist and astrophotographer Judy Schmidt brings us a view from within the rings of Saturn.
Mystery of Russia’s doomed Progress spacecraft may delay next ISS crew launch
More than a month after a Progress spacecraft bound for the International Space Station plunged to the ground during a botched launch attempt, investigators are still unable to clear its rocket to carry future ISS crews.
NASA is visiting 8 asteroids in 8 years. Here are 8 things to know about the missions
NASA announced two new asteroid missions today named Lucy and Psyche that will fill important gaps in our understanding of how the solar system was formed. Here are eight things to know about the two missions.
A company you've never heard of plans to build the world's first private space station
Axiom Space, a recently formed company headed by former ISS program manager Mike Suffredini, plans to send an astronaut to the ISS in 2019 and connect a large multipurpose habitat there in 2020.
Dawn Journal: Looking Back, Looking Forward
Dawn is concluding a remarkable year of exploring dwarf planet Ceres. Chief Engineer and Mission Manager Marc Rayman brings us his latest update.
Mars Exploration Rovers Update: Opportunity Wraps 2016, Heads into 2017 Toward 13th Anniversary
As 2016 came to an end and 2017 rang in, Opportunity was working the first leg of the ascent up the rugged western rim of Endeavour Crater on her way to an ancient gully, the next scientific tour de force down the road, and the mission was closing in on its 13th anniversary of surface operations coming up in the New Year.
Spaceflight in 2017, part 2: Robots beyond Earth orbit
What's ahead for our intrepid space explorers in 2017? It'll be the end of Cassini, but not before the mission performs great science close to the rings. OSIRIS-REx will fly by Earth, and Chang'e 5 will launch to the Moon, as a host of other spacecraft continue their ongoing missions.
Spaceflight in 2017, part 1: Earth-centric edition
Our preview of spaceflight in 2017 starts with highlights of missions and events happening on and around our home planet.
On Cosmic Discovery and Human Significance
Jake Rosenthal takes us on a tour of the history of discovery of our place in the cosmos.
China outlines its space exploration ambitions
China released a new white paper on its policy and activities in space, outlining ambitious deep space exploration, human spaceflight and space science projects as major priorities for the years up to 2020 and beyond.
GOES-R: What’s Next?
After a series of maneuvers in-orbit, GOES-R—now known as GOES-16—has reached its designated location in space. What happens next?
Review: ‘Rogue One’ is Star Wars comfort food
In a review of Rogue One: A Star Wars Story, Jason Davis says you're more likely to enjoy the film if you embrace it as comfort food—a story line that fits into a larger sequence of Star Wars events you already know.
December Solstice: A look at the solar system's north poles
Today is the solstice, the longest winter night at Earth's north pole, the longest day of summer in the south. To give a little light to northerners in darkness today, please enjoy this gallery of images of (mostly) sunlit north poles across our solar system.
Connecting with Carl Sagan at the Library of Congress
Whether you explore The Seth MacFarlane Collection of the Carl Sagan and Ann Druyan Archive online or at the Library of Congress during a visit to Washington, D.C., you’ll learn something new and have a deeper understanding of Carl Sagan.



Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Small Bodies