In the book ‘Cities,’ archaeologist Monica Smith sees the positives in past and present metropolises.

Prompted by our nation’s highly-publicized active shooter tragedies, campuses are training a much wider range of their e...

A food preservative may impair the ability to fight the flu, a study in mice suggests.

AI’s big advances have so far relied on algorithms that train on huge piles of data. If robots are going to work in the...