The platform offered a public space with monetization as an afterthought. Now it could simply be deleted.

The decision to remove Mr. Scaramucci came at request of the new chief of staff, John Kelly, people close to the decision said.

If the sanctions passed by Congress last week sent any message to Moscow, it was that Mr. Trump’s hands are tied in dealing with Moscow, probably for years to come.

The president also attacked the media and Hillary Clinton in a series of early-morning tweets.

Adam Crapser is one of at least half a dozen adoptees who were deported to South Korea because their adoptive parents failed to get them American citizenship.

Self-talk is sometimes looked at as just an eccentric quirk, but research has found that it can influence behavior and cognition.

Companies occupy real estate at the margins of websites and fill them with links to content landfills, stoking our most primal browsing habits.

A cynical ploy to force Democrats to negotiate would endanger the health of millions of Americans.

The metropolis that globalization created may well be the capital of the world. But after the “Brexit” referendum, its future as an international crossroads is far from certain.

It appears that the Russian authorities, leaning on the work of a hacker, grafted an intelligence operation onto a far-reaching cybercriminal scheme.

Republicans spent almost seven years waging a battle to repeal the Affordable Care Act. Finally, they are set up for victory — or a new kind of disappointment.

The next generation of online attack tools used by criminals will add machine learning capabilities pioneered by A.I. researchers.