Atmospheric testing involves explosions that take place in the atmosphere. Generally, these have occurred as devices detonated on towers, balloons, barges, or islands, or dropped from airplanes, …

Aug 21, 2025 · Press reports in May 2020 indicated that Trump Administration officials had discussed whether to conduct an explosive test of a U.S. nuclear weapon. Since then, the first Trump …

Jan 29, 2025 · 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 soon.

The United States has announced it will resume nuclear testing if other countries do the same. The U.S.

U.S. Nuclear Weapons Tests tests at the Nevada National Security Site (NNSS). Since 1993, it has used a program known as Science-Based Stockpile Stewardship to maintain confidence in the …

Chronology of nuclear testing by the United States, Soviet Union/Russia, France, United Kingdom, and China.

May 15, 2025 · Nuclear weapons tests per year What you should know about this indicator The number of nuclear tests for the United States does not include the bombings of Hiroshima and Nagasaki. …

In response, ordinary citizens, scientists, legislators, and government leaders have pursued a multi-decade effort to bring into force a global verifiable comprehensive nuclear test ban, the …

There have been 2,121 tests done since the first in July 1945, involving 2,476 nuclear devices.

Sep 13, 2024 · Atomic testing refers to the detonation of nuclear weapons to evaluate their performance, military capabilities, and environmental impacts. Conducted mostly during the 20th century, atomic …