Researchers have uncovered friction without contact—driven entirely by magnetic interactions. As two magnetic layers slide, ...

MODERN students of molecular structure have before them the double objective of the determination of the positions and mobilities of the atoms in a molecule, or, in other words, the equilibrium atomic ...

Physicists have discovered a surprising new “Island of Inversion” in a place no one expected: among nuclei where the number ...

President Trump says he hasn't decided whether he'll launch a military strike on Iran. But he now has a wide range of options. An American military buildup over the past month means the U.S. now has ...

Dan Lamothe joined The Washington Post in 2014 to cover the U.S. military. He has written about the Armed Forces since 2008, traveling extensively, embedding with five branches of service and covering ...

Across the country, men coerce or even force pregnant women to take pills that induce an abortion. Some of these use abortion pills to cover up abuse. We have no way to know the full scope of this ...

For the first half of the twentieth century, Sudan was a joint protectorate of Egypt and the United Kingdom, known as the Anglo-Egyptian Condominium. Egypt and the United Kingdom signed a treaty ...

The crowd is challenging traditional leadership. Here’s how to harness its energy. by Jeremy Heimans and Henry Timms We all sense that power is shifting in the world. We see increasing political ...