A wargame reveals how Israel and Iran could quickly consider using nuclear weapons if ever drawn into a direct conflict.

In Ukraine, a winning Russia might have more to gain—and less to lose—from a nuclear strike than a retreating Russia.

Editor’s note: This article was published in April, after an Iranian attack on Israel and Israel’s military response. We are republishing the piece because of its relevance to Iran’s massive missile ...

The anticipated influence of AI on political discourse and mutual toleration is likely to be more subtle than originally ...

Electrifying cars alone won’t solve the problem of all transportation-related emissions, and electrifying other forms of ...

An atmospheric scientist and weathercaster explains why his warnings about Hurricane Helene were not universally ...

Sara Moller, an associate teaching professor at Georgetown University and a non-resident senior fellow at the Atlantic ...