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

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

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 ...

Pabian is senior geospatial information analyst at the Los Alamos National Laboratory. Last year, he served as a visiting fellow at the Center for International Security and Cooperation at Stanford ...

Murphy is the head of climate prediction at the Met Office, the official center for climate change research in Britain. There, he leads more than 20 scientists who work on ensemble climate prediction, ...