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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
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.
Orion Service Module Faces Roller Coaster of a Ride in Sandusky
The Orion European Service Module test article has arrived at NASA Glenn Research Center's Plum Brook Station in Sandusky, Ohio, where it's being prepared for acoustic and vibration testing.
Blue Origin Lands Spent Suborbital Rocket Stage in Texas
Secretive spaceflight company Blue Origin flew its New Shepard launch vehicle to the edge of space, deployed a suborbital spacecraft and returned the spent booster rocket to Earth for an upright landing.
At NASA's Johnson Space Center, Preparing for the Future of Human Spaceflight
As NASA kicks off a multi-decadal effort to send humans to Mars, the agency's traditional human spaceflight centers have had to adapt to new challenges—often more programmatic than technical.
Could Sino-U.S. cooperation bring The Martian home?
In the The Martian, NASA astronaut Mark Watney is stranded on Mars. At a critical moment, China offers to help the U.S. bring him back to Earth. But can these two countries cooperate to explore space in reality?
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.
In Pictures: Orion, SLS Hardware on the Move
November is shaping up to be a busy month for Orion and Space Launch System hardware. A human-rated flight engine is in the test stand at Stennis Space Center, and a version of Orion's service module is getting ready to cross the Atlantic.
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.
At Mars Workshop, Science and Human Spaceflight Find Common Ground
An update from NASA’s First Human Landing Sites/Exploration Zones on Mars Workshop at the Lunar and Planetary Institute in Houston, Texas.
Where Should Humans Land on Mars? Workshop to Discuss Possibilities
This week in Houston, Texas, scientists are gathering to discuss where humans should first land and explore on the surface of Mars.
SLS Sheds White Paint, Completes Critical Design Review
NASA's Space Launch System officially shed the core stage's white paint job in favor of the vehicle's natural, orange-colored insulation.
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?
Telerobotics: Unifying Human and Robotic Spaceflight
Telerobotics—with humans nearby—just might be the perfect unification of human and robotic spaceflight. Two groups at NASA and ESA are working to make this fledgling technology commonplace.
Thousands of Photos by Apollo Astronauts now on Flickr
A cache of more than 8,400 unedited, high-resolution photos taken by Apollo astronauts during trips to the moon is now available for viewing and download on Flickr.