The authoritative guide to ensuring science and technology make life on Earth better, not worse.

What's new at the Bulletin

Michael Lee joins the Governing Board

Annual Dinner honorees

In Memoriam: Lowell Sachnoff

PRESS RELEASE: UN Sec. General Guterres says Doomsday Clock is a sign for leaders to “get to work”

PRESS RELEASE: Doomsday Clock set at 90 seconds to midnight

Bulletin statement on the Department of Energy’s Oppenheimer decision

Watch the 2023 Doomsday Clock announcement on Jan. 24

Dr. Siegfried S. Hecker to head Bulletin’s Board of Sponsors and welcome four new members

The Bulletin names Haydn Belfield and Christian Ruhl 2022 Leonard M. Rieser Award recipients