Bitcoin resumed its decline on Tuesday as concerns around trade tensions between the U.S. and China returned to rattle traders following a brief reprieve on Monday. The largest cryptocurrency BTCUSD ...

Quantum sensors can be used to reveal a surprising new mechanism for converting light into electricity in Weyl semimetals, Boston College Assistant Professor of Physics Brian Zhou and colleagues ...

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 ...