You can change your cookie settings at any time by clicking “ Preferences .” From February 2015 to January 2025, Rachel Bronson served as the Bulletin’ s president and CEO where she oversaw the ...

Did RFK Jr.'s long-record of anti-vaccine activism affect his chances at becoming Trump's secretary of health?

Iconic Doomsday Clock moves one second closer to midnight as global existential threats rage. Clock factors include nuclear ...

In April 2024, we were honored when Rachel Bronson invited us to contribute to the evolution of the iconic Doomsday Clock.

Modeling System at the University of Colorado, Boulder.

Darya Dolzikova is a research fellow in proliferation and nuclear policy at the Royal United Services Institute in London.

Ulrich Kühn is the director of the Arms Control and Emerging Technologies Program at the University of Hamburg, and a nonresident scholar with the Nuclear Policy Program of the Carnegie Endowment for ...

Saul Griffith is the author of Electrify: An Optimist’s Playbook for Our Clean Energy Future. An inventor, engineer, and MacArthur fellow, he is founder and chief scientist of Rewiring America and ...

Doctoral student at Carnegie Mellon, is senior consulting scientist.

Sarah Chayes runs Arghand, a cooperative business in Kandahar, where she has lived since late 2001. She was a Paris-based reporter for National Public Radio from 1997-2001.

Abigail Foerstner teaches science journalism at Northwestern University’s Medill School of Journalism. This article was drawn from James Van Allen: The First Eight Billion Miles, which the University ...

Voronova-Abrams is a program associate at Global Green USA. Prior to this, she worked at the James Martin Center for Nonproliferation Studies as research associate at the Chemical and Biological ...