It’s part of the scenario in “The Day After Tomorrow,” but scientists differ over whether or how fast it may occur. A team studying the current toils to bring clarity.

(Atlantic) -- Atlantic officials have backed terminating the employment of a former high school counselor.

Panelists on Washington Week With The Atlantic joined to discuss the president’s call to “nationalize” the upcoming elections ...

The New START treaty between the United States and Russia has expired, ending decades-long limits on deployed nuclear warheads. No replacement talks are under way, and officials and experts warn that ...