This ‘NOVA’ presentation helpfully and authoritatively guides viewers through the mind-boggling world of quantum physics.

Lawyers for Combs denied the allegations in the suits. NBC News has not independently corroborated any of the allegations in the complaints. Combs is fighting his pretrial detention on federal ...

U.S. officials believe Israel has narrowed down what they will target in their response to Iran’s attack, which these officials describe as Iranian military and energy infrastructure. There is ...