The death of Eugene Cernan, commander of Apollo 17 and the last human to stand on the lunar surface, has prompted a global reaction.

One of 14 astronaut candidates selected by NASA in 1963, Cernan launched three times, including two missions that took him to the Moon.

Elon Musk’s SpaceX restored some of its luster Jan. 14 with the launch of a Falcon 9 for the first time since an on-pad explosion on Sept. 1.

Iridium, the mission customer with its first 10 next-generation low Earth orbit communications satellites, said the launch has been rescheduled at 11:54 a.m. EST Jan. 14.

On Monday SpaceX plans to launch its first Falcon 9 since an on-pad explosion destroyed the Amos-6 Israeli communications satellite last Sept. 1.

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.