Russia interfered with the U.S. presidential election in 2016, and in 2018, internet trolls again spread disinformation during the midterms. Intelligence officials warn that interference in this year…

After decades of sustained land operations, the U.S. Marine Corps is looking back out to sea, embracing its roots as a naval expeditionary force.

The Democratic and Republican presidential contenders have begun defining their approach to major foreign policy issues as they jockey for position in their parties’ primaries.

History is far from over in Europe. To the contrary, it is back with a vengeance.

We’ve been told smartphones will save education—and even better, on the cheap. From hackathons for refugee students to helping women in developing countries earn university degrees, we’ve been sold t…