I'm not saying it was aliens, ...

Satellite images reveal activity at two Iranian nuclear sites, suggesting that Tehran may be obscuring its efforts to salvage any materials remaining there.

Nuclear weapons testing has affected every single human on the planet, causing at least four million premature deaths from ...

A thousand feet beneath the desert, the United States conducts experiments to verify that its weapons work. But some fear a live test could come... Step inside the secret lab where America tests its ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE - A mushroom cloud rises from a test blast at the Nevada Test Site on June 24, 1957. (U.S. Energy Department via AP, File) ...

The earthquake measured 4.2 on the Richter scale. Its intensity and short duration immediately drew attention because it coincided with a pre-planned nationwide emergency preparedness drill in schools ...

The president wants to resume nuclear testing. Senator Edward Markey asks, “Is he a warmonger or just an idiot?’ It would be a mistake of radioactive proportions to resume nuclear testing. None of the ...

VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global ...