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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
One-year crew all smiles after safe landing in Kazakhstan
Scott Kelly and Mikhail Kornienko are safely back on Earth today after 340 days in space. The one-year crew duo, along with Sergey Volkov, touched down in Kazahkstan Wednesday morning.
One-year ISS mission draws to a close
Scott Kelly and Mikhail Kornienko are set to return to Earth next week after their record-breaking, year-long mission aboard the International Space Station.
In Pictures: Cygnus Takes out the Trash
Early this morning, Scott Kelly and Tim Kopra released a trash-filled Cygnus cargo spacecraft from the International Space Station. Orbital ATK flight controllers will send Cygnus into Earth's atmosphere for a controlled reentry Saturday morning.
NASA Adds Dream Chaser Spacecraft to ISS Cargo Roster
NASA is adding a miniature space shuttle to its fleet of commercial spacecraft capable of ferrying cargo to the International Space Station.
Two Astronauts to Make Friday Trek to Edge of Space Station
This Friday, astronauts Tim Kopra and Tim Peake will perform a spacewalk to replace a failed power regulator on one of the outermost sections of the International Space Station.
Capturing the Rhythm of Space: Insights from 47th DPS Meeting
The Division of Planetary Science (DPS) Meeting saw many exciting scientific discussions spanning the range of processes on different planetary bodies, as well as their replication in the laboratory and in models.
Preview: 2016 aboard the International Space Station
A look ahead to see what's in store for the astronauts and cosmonauts aboard humanity's orbital outpost.
Spacewalkers Unstick Cart ahead of Cargo Ship Arrival
NASA astronauts Scott Kelly and Tim Kopra successfully completed a spacewalk to free a stuck Mobile Transporter cart outside the International Space Station.
Rail-riding ISS Cart Jams, Prompting Contingency Spacewalk Plans
A rail-riding cart weighing nearly a metric ton jammed while moving along the International Space Station's exterior yesterday, prompting ground controllers in Houston to prepare for an unscheduled spacewalk.
New Crew Arrives at ISS following Docking Drama
Following a picture-perfect launch and some last minute docking drama, Tim Kopra, Tim Peake and Yuri Malenchenko arrived safely to the International Space Station today.
Expedition 45 Crew Makes Nighttime Landing in Kazakhstan
Three International Space Station crewmembers are safely back on Earth following a post-sunset Soyuz touchdown in Kazakhstan.
Cygnus Arrives at Station, Marking Restart of U.S. Cargo Flights
A Cygnus cargo spacecraft arrived at the International Space Station this morning, carrying more than three metric tons of critical crew supplies.
SpaceX, Partners Prepare for Falcon Return-to-Flight
SpaceX is preparing to return its Falcon rocket to service after the loss of a mission in June 2015. A backlog of payloads, including an ISS-bound Dragon cargo craft, await.
After Weather Cooperates, Atlas Rocket Launches Cygnus Cargo Craft to ISS
It took four tries for the weather to cooperate, but on Sunday afternoon, a Cygnus cargo spacecraft loaded with 3.3 metric tons of critical crew supplies launched toward the International Space Station.
Bad Weather Fizzles Cygnus Launch Attempt (Again)
A second launch attempt of a Cygnus cargo spacecraft bound for the ISS was scrubbed this evening, forcing ground controllers to schedule a third try Saturday at at 5:10 p.m. EST (22:10 UTC).
Preview: Cygnus to Resume ISS Cargo Runs with Help from Atlas V Rocket
Orbital ATK is returning its Cygnus cargo spacecraft to service on Thursday. This time, the ride to orbit will be a United Launch Alliance Atlas V rocket.
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.
On Station's 15th Anniversary, A Look at Astronaut Utilization
An analysis by The Planetary Society shows that in the post-space shuttle era, NASA astronauts spend roughly 33 percent less time aboard the International Space Station than their Russian counterparts.
Enhanced Cygnus Arrives at KSC ahead of Atlas V-powered Cargo Run
Orbital ATK is a month-and-a-half away from resuming cargo runs to the International Space Station.
NASA's Journey to Mars Report: A Plan to Form a Strategy for a Concept
NASA released a much-anticipated strategy document outlining the agency's next steps for getting humans to Mars, but the report lacks details. What should we make of it?