A crowd of activists, politicians, journalists and New Mexico Department of Transportation employees gathered on the side of U.S. 380 Wednesday to unveil a new sign commemorating the history of the ...

Top nuclear experts gathered in Chicago to offer world leaders a playbook for reducing the risk of nuclear war.

When the first nuclear bomb test took place 80 years ago, the scientists who gathered to observe the explosion in the New ...

The 80th anniversary of the Trinity Site test of the world’s first atomic bomb was marked this past week. The test at Trinity ...

On July 16, 1945 — 80 years ago — the federal government detonated the first atomic bomb in the Tularosa Basin of New Mexico.

The 80th anniversary of the Trinity test is a good time to question and put the brakes on current plans for major pit production at Los Alamos National Laboratory. According ...

Observer readers comment on Trump’s IRS allowing church endorsements, Duke basketball, Huntersville, nuclear weapons, city ...

The Doomsday Clock is set at 89 seconds to midnight at this very moment, writes economics and politics professor María ...

Netflix’s naval thriller Trinity, starring Gugu Mbatha-Raw and Richard Madden, turned the Vancouver Art Gallery into ...

Mary Riseley walked through glowing rows of luminarias looking for her mother’s name at a vigil for New Mexico downwinders ...

Republicans are encountering some early headaches in Senate races viewed as pivotal to maintaining the party’s majority next ...

Downwinders in Idaho are thrilled to finally see compensation for the effects of nuclear fallout in the 1950s, but they aren’t satisfied just yet. People in Guam are still not seeing that same ...