Stories, updates, insights, and original analysis from The Planetary Society.
Work continues on the Space Launch System, NASA's next-generation deep space vehicle slated to take humans beyond Earth for the first time since 1972.
China’s fourth human spaceflight mission got underway this morning after a Long March 2F rocket blasted off from the Jiuquan Satellite Launch Center at 10:37 UTC.
The stage is set for China’s space program to make history this weekend, as it prepares to send three taikonauts to visit Tiangong-1, the country’s first space station.
The National Reconnaissance Office has donated two, partially-completed space telescopes to NASA, revealed at a National Academies' Committee on Astronomy and Astrophysics meeting this week.
SpaceX's Dragon capsule successfully completed its COTS 2 demo flight, as the capsule splashed down into the Pacific Ocean on May 31, 2012.
After making history at the International Space Station, SpaceX's Dragon capsule has been re-loaded with cargo and is preparing for reentry.
SpaceX’s Dragon spacecraft has been successfully grappled with the International Space Station’s Canadarm2 and berthed with the station's Harmony module.
SpaceX's Dragon capsule performed a successful fly-under of the International Space Station last night, at a distance of 2.5 kilometers.
SpaceX moved closer to spaceflight history last night as their Falcon 9 rocket rose from its launch pad, sending the Dragon capsule on a journey to berth with the International Space Station.
The launch of SpaceX's Falcon 9 rocket and Dragon capsule was aborted last night a half-second before liftoff, due to abnormally high pressure readings in engine number five.
This Saturday, SpaceX will attempt to make history by launching the first commercial spacecraft to berth with the International Space Station.
Last week, India launched RISAT 1, a new Earth-observing satellite. How does its synthetic aperture radar compare to that of Envisat, which has fallen silent?
SpaceX and NASA have completed a successful flight readiness review (FRR) for the Dragon's upcoming visit to the International Space Station.
NASA is soliciting a third round of proposals from private spaceflight companies looking to send astronauts to the International Space Station.
A classified U.S. military satellite recently launched into an orbital inclination of 123 degrees. What makes this trajectory so unique? Pondering the answer affords the opportunity to learn some deceptively tricky concepts about the nature of all spacecraft orbits.
Just because you live in an urban area with skyglow doesn't mean you can't have fun with astrophotography. How to capture the planets, constellations and the ISS.
The NuSTAR X-ray telescope will enable scientists to get a much-improved look at black holes and supernovae in both the Milky Way and other galaxies.
Before automated space observatories like SDO could send pictures and videos of solar phenomenon in real-time, humans had to do it manually, as in the case of the groundbreaking Skylab space station missions, which featured the Apollo Telescope Mount.
As of November 2011, the Earth Observing Handbook counts 109 active missions to study the Earth as a planet, with 112 more approved and planned for the future. Jason Davis provides an overview of key current and upcoming earth-observing missions.
A timeline of one of the most memorable solar events in recent memory: the observations by six Sun-observing spacecraft of Comet Lovejoy making its perihelion passage.