Iran's nuclear program, enrichment of uranium and its ballistic-missle development program have been at the crux of the ...

Iran and the United States held hours of indirect negotiations over Tehran’s nuclear program but walked away without a deal.

President Trump launched military strikes on Iran after several rounds of talks over the country's nuclear program and ...

The third round of indirect negotiations took place Thursday in Geneva as President Donald Trump threatens Tehran with possible military action.

The Schrödinger equation rewrote the rules of matter and forever changed the field of chemistry. Donald Truhlar, a chemist at the University of Minnesota, calls it the “greatest advance of the 20th ...

Actinides are a group of heavy, radioactive elements that include uranium, plutonium, americium, curium, berkelium and californium. Understanding how these elements bond with other atoms (known as ...

Atoms in molecules occupy fixed positions, connected by rigid rods. A molecule such as formic acid (methanoic acid, HCOOH) is imagined as two-dimensional—flat as a sheet of paper. But quantum physics ...

Aaron Rossini of Iowa State and Ames National Laboratory with the nuclear magnetic resonance instrument in his Hach Hall lab. Iowa State ...

AMES, Iowa – A tiny, solid sample of a drug, complete with active and inactive ingredients, spun at 50,000 revolutions per ...

A mathematical equivalent of a microscope with variable resolution has shed light on why some atoms are exceptionally stable, ...

Work on nuclear physics in the early twentieth century moved across borders, institutes and private letters. Lise Meitner was ...

Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to midnight, citing aggressive behavior by nuclear powers Russia, China and the United States, fraying nuclear arms control, ...