Add Yahoo as a preferred source to see more of our stories on Google. The cycle of bluff and counter-bluff playing out between the world's major nuclear powers has redoubled since the New START treaty ...

What would really happen in the first 20 minutes of a nuclear attack? A nuclear engineer reacts to claims from Lex Clips and breaks down the actual physics, timelines, and real-world consequences of a ...

Israel's military shared footage it said showed extensive Israeli airstrikes on Iran's "nuclear headquarters" after both countries launched fresh attacks into the early hours of Sunday. Israel ...

Add Yahoo as a preferred source to see more of our stories on Google. 'Michael' biopic gives 1st behind-the-scenes look at Jaafar Jackson's performance. What to know about the cast, controversy and ...