A newly discovered celestial object seems to blur the line between planet and moon, leaving some astronomers puzzled over what to call it. Scientists have found thousands of exoplanets—those beyond ...

US President Donald Trump, who halted airstrikes against Iran on July 24 and opened back-channel talks, warned Tuesday that he would destroy bridges, power plants and other civilian infrastructure if ...

Anthony Joshua almost suffered one of the most stunning upsets in history after Kristian Prenga scored two knockdowns on the former heavyweight champion in the opening round. But just when it looked ...