Antiferromagnetic (AF) materials are made up of atoms or molecules with atomic spins that align in antiparallel directions of ...

Long-term satellite measurements show that Earth’s magnetic field is changing faster and more unevenly than expected, driven ...

President Trump talks about next steps for Venezuela, calling for U.S. companies to help rebuild the economy even as much of the existing power structure remains in place. Facing tough midterm ...

Ousted Venezuelan president Nicolás Maduro and his wife plead not guilty in New York, after a U.S. military operation brought them out of Venezuela and into a federal courtroom. Lawmakers are divided ...