Thursday, July 10, 2025

Space & Physics: A surprising choice to lead NASA

July 10 — This week, NASA gets a new interim leader, a notorious problem in math gets a preposterous solution, and astronomers get more familiar with the solar system's third known interstellar visitor. Enjoy!

Lee Billings, Senior Editor, Space and Physics


The selection of Secretary of Transportation Sean Duffy to temporarily lead NASA adds to the deep political uncertainties already facing the space agency

NASA needs a leader. Does Sean Duffy have the right stuff to step into the role?

Late yesterday, President Trump announced his selection of the former U.S. Congressman, Fox Business host and reality-television star (who also happens to be the current U.S. Secretary of Transportation) as the space agency's interim leader. Duffy is replacing Janet Petro, the former director of NASA's Kennedy Space Center, who has served as acting administrator since the start of Trump's second term.

Although temporary, Duffy's tenure at NASA could be fateful indeed. The agency has been staggered by proposals for unprecedented budget cuts and promises of significant staffing losses, all while U.S. political leaders debate its priorities and as China and other nations move ahead with bold, independent plans for space science and exploration. And there's no shortage of current and former officials who say the threat NASA now faces from these developments is practically existential.

Some of the space agency's most immediate political challenges could be resolved in coming days and weeks—well before the appointment of a non-interim NASA administrator, which has been speculated to be delayed until sometime in 2026.

With all that in mind, Duffy's ascension to the helm seemingly leaves the space agency with more questions than answers.

What's more valuable in this moment: Someone considered as outside of the administration's inner circle but with abundant aerospace expertise and deep experience at NASA, like Petro, or someone like Duffy with minimal "space" background who can more easily get the President's attention?

Widely seen as a Trump loyalist, will Duffy go along with the administration's plans to devastate NASA's science?

And how well can he possibly lead NASA while also managing the entire Department of Transportation, which has some 55,000 employees and covers 13 federal agencies, including the Federal Aviation Administration?

Amid all this uncertainty, Duffy's selection makes one thing crystal clear: After more than a half-century of existence, NASA is at a crossroads moment that may define the space agency for many decades to come.

Thoughts? Questions? Let me know via e-mail (lbillings@sciam.com), Twitter or Bluesky.

Thanks for reading, and I'll see you next time.

Lee Billings

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