As the stressful election season draws to a close, a stunning new video tour of the International Space Station offers a reminder of what humans can do when we put aside our differences and work together.
Since 2011, a once-in-a-generation transformation has been sweeping through NASA's human spaceflight centers in preparation for the era of SLS and Orion. How have the programs fared, and what first steps is NASA taking as it prepares for the journey to Mars?
China is sending two astronauts on a month-long mission to the country's new space station. What are China's long-term space goals? Does the narrative of a space race between the U.S. and China fit? If so, what happens if America loses?
Two years after a devastating explosion, Orbital ATK is set to return its Antares rocket to flight. The commercial spaceflight company discusses its upgraded launcher, Cygnus supply spacecraft, and future ambitions, which include cislunar space.
LightSail 2 and Prox-1 are expected to meet for integration by the end of the year. Here's an update roundup, including a sneak peek of new animations and the abstract from a recently accepted paper on the spacecraft's attitude control system.
NASA is building a giant rocket called the Space Launch System to send humans to Mars. In part 4 of our Horizon Goal series, we recap the messy tangle of politics and engineering that led to the vehicle's creation in 2011.
After much anticipation, Elon Musk revealed his plans to colonize Mars. Here are the details, some questions yet to be answered, and a few thoughts on how this could change the way we think about human spaceflight.