Medical experts assembled by the National Academies of Sciences, Engineering and Medicine are urging NASA to dig deeper into possible connections between the health and performance risks faced by humans assigned to long missions to deep space destinations.

The U.S. missed several opportunities over almost 70 years to expand hypersonics into research and development of operational systems.

Aviation Week's Editor-in-Chief had his first exchange with John Glenn when he was 12 years old. The topic: Air Force One.

In 1962, John Glenn wrote a detailed pilot report for Aviation Week after his historic and harrowing flight in Mercury’s Friendship 7.

SpaceX has yet to present a final report to the FAA’s commercial space office, which licenses commercial launches, on the company's September pad explosion that destroyed an Israeli satellite.

NASA has decided to ease humans back to the Moon in a free-return flyaround trajectory on the first flight of the Orion crew capsule with astronauts on board, instead of going directly to the lunar orbit where it plans to test hardware for human missions to Mars.

European Space Agency engineers believe they have found the root cause of the Oct. 19 crash of the Schiaparelli Mars lander.

Researchers using radar data from NASA’s Mars Reconnaissance Orbiter have observed a subsurface ice deposit on the Red Planet that rivals the size of Lake Superior, the largest of the U.S. Great Lakes.