Katie Reddell

The Goddard Space Flight Center is in Maryland, and it's been a crown jewel of scholarship and innovation for NASA for years.

But this year, say employees, they've seen a sharp change in culture and climate.

Information withheld from employees, labs closed without reasons, and buildings suddenly shut down.

Casey McGrath is an astrophysicist there.

He spoke in his personal capacity.

The White House and NASA both did not respond to requests for comment on this story.

Katie Reddell, NPR News.