WASHINGTON – A 15-year-old treaty that has limited how many nuclear weapons the United States and Russia can maintain comes to an end this week, as experts warn that no new agreement could portend a ...

Tehran may have used the delay in the US's potential strike to make the beneath-mountain facility nearly untouchable. High-resolution satellite imagery of Iran’s largest and most crucial remaining ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty ...

The 1998 sci-fi classic Armageddon might not have a reputation as a scientifically accurate film. But scientists now say the Hollywood blockbuster got one thing right – we really could nuke an ...