Top Astrophysicist Leaves U.S.

At 55, astrophysicist Kelly Holley-Bockelmann left Vanderbilt University for the Netherlands after years of building a nationally recognized astronomy program and advising NASA. The Trump administration’s funding freezes, proposed cuts to NASA science, and restrictions on diversity programs disrupted her research and drove students and colleagues away. Graduate students lost support, international students feared immigration enforcement, and young researchers left the country. Holley-Bockelmann shifted from research and recruiting to crisis management, arranging counseling and other support for students while struggling with exhaustion and doubts about encouraging people to enter a field with shrinking opportunities. The dismantling of advisory bodies and the loss of familiar channels for advocacy convinced her that the American scientific system had changed beyond recognition.

Her new role at the Netherlands Institute for Space Research keeps her connected to LISA, a planned three-spacecraft observatory that will use lasers to detect gravitational waves and probe the early universe. The United States and Europe conceived the mission as partners, but NASA’s staffing and budget problems have weakened U.S. participation; European scientists are preparing to preserve it, wary that the United States can no longer be relied upon. The Netherlands’ Tulip Fund, created to recruit American researchers with grants of up to €1 million over five years, reflects a broader international effort to attract talent. Similar programs emerged across Europe and Asia as the United States’ retreat from research opened opportunities elsewhere - and threatened its scientific leadership and future discoveries.