Cernan joined the NASA astronaut corps in 1963 and flew on Gemini 9 in 1966, becoming the second American to make a spacewalk.
Associate Administrator Robert Lightfoot will serve as acting administrator starting Jan. 20.
A NASA safety board recommended in its annual report that the agency closely study the safety issues associated with SpaceX’s fueling plans for Falcon 9 commercial crew missions.
NASA is ready to move ahead with plans to purchase Earth science data from commercial smallsat companies as it weighs the balance of large and small satellite systems to meet its research needs.
The head of NASA’s Earth science division says he does not expect major changes in his programs for the remainder of the fiscal year despite a change in administrations.
The head of NASA’s Science Mission Directorate, seeking to assure astronomers concerned about the next administration, said that the transition process has gone as he expected.
As NASA prepares to resume vibration testing of the James Webb Space Telescope after an anomaly last month, it’s asking astronomers to start developing proposals for observations to be carried out by the observatory after its launch.
NASA has selected two missions to asteroids in the latest round of its Discovery planetary science program, a move that NASA says puts the program back on track after a recent drought of missions.
Bridenstine, an Oklahoma Republican active on space issues in the House, has reportedly talked with Vice President-elect Mike Pence about the position, although no final decision has been made by the transition team.
At a time when NASA earth scientists are concerned their research may be scuttled by the incoming Trump administration, the space agency’s top science official is preaching pragmatism and unity.