Live Science on MSN

A new book takes an inside look at the preparations that led to the 1945 Trinity nuclear test

An excerpt from "Trinity: An Illustrated History of the World’s First Atomic Test," by author Emily Seyl.

A US satellite detected a mysterious flash in 1979; the CIA said it was probably a nuclear test, but nearly 50 years later, the mystery remains unsolved

A US satellite observed dual flashes in the South Atlantic back in 1979, leading intelligence officials to speculate a ...
ScienceAlert on MSN

All those nuclear tests decades ago have revealed something new about our planet's core

(Rob Atkins/Getty Images) You probably remember learning about Earth's internal layers when you were a kid in Earth Sciences ...
Yahoo

Trump says U.S. will immediately 'start testing' nuclear weapons. Here's what to know.

Add Yahoo as a preferred source to see more of our stories on Google. A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) (U.S. Atomic Energy ...
Time

After Russia Conducts Nuclear Weapons Tests, Trump Announces U.S. Will Restart Its Own

Follow this section to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings Personalized Content Follow this tag to personalize your feed and get ...
Bulletin of the Atomic Scientists

Introduction: Nuclear testing in the 21st century—legacies, tensions, and risks

Despite an international treaty banning all nuclear detonations, the issue of nuclear weapons testing is taking center stage once again. Last November, Russia officially withdrew its ratification of ...
Politico

Resuming nuclear testing is not as easy as you think

President Donald Trump’s order late Wednesday night for the U.S. to resume nuclear weapons tests has confounded officials and drawn scrutiny from nuclear experts over the safety, feasibility and ...
Washington Post

A look at past nuclear weapons tests in Russia, China and the U.S.

President Donald Trump on Wednesday said he had directed the Pentagon to begin testing nuclear weapons “on an equal basis” with Russia and China, triggering uncertainty over the decades-old U.S.
The National Interest

Would Iran Need to Test a Nuclear Weapon?

As Iran’s nuclear program advances, the critical question of whether Tehran would need to conduct nuclear tests to ensure its weapons are effective looms over the consciousness of the international ...