Last month, climate scientist and author Kate Marvel resigned from her position at NASA’s Goddard Institute for Space Studies, where she had spent more than a decade studying a warming world. In her resignation letter, she cited the Trump administration’s attacks on the field. “I anticipated that our work would be questioned,” she wrote, “but only because its implications were politically inconvenient. I never expected that science itself would come under attack.” Marvel joins more than 10,000 professionals with doctoral degrees in the sciences who have left the federal workforce since President Trump took office in January 2025: a period that has seen the administration evict the Goddard Institute from its historic home on the Columbia University campus, dissolve the U.S. Global Change Research Program, dismiss the nearly 400 authors of the next National Climate Assessment, and repeal the legal foundation for federal regulation of greenhouse gases.