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Talking to AI bots can lead to unhealthy emotional attachments or even breaks with reality. Some people affected by chatbot interactions or those of a loved one are turning to one other for support.

When a species is facing extinction, it takes an enormous human effort to stave it off. Case in point: the painstaking campaign to save the frosted flatwoods salamander.

Trump warned Saturday that Iran would soon "be hit very hard," adding that the U.S. may expand its target list to "new areas and groups of people."

An NPR investigation found that people in the U.S. are dying from heat much more often than official counts show. We explore the reasons why — and how lives can be saved.

A conservative Christian gathering on the National Mall Saturday aims to bring together anti-LGTBQ, anti-abortion, and QAnon activists.

The White House laid out a plan for sharing the nation's vaccine surplus with parts of the world struggling to get shots in arms.

On Tuesday afternoon, President Biden announced four new appointees to the U.S. Commission of Fine Arts, replacing four commissioners appointed by former President Donald Trump.

Cases remain low in Spain, Germany and France, but health ministers there say the fast spread of the delta coronavirus strain elsewhere shows a serious threat.

Though the Obama administration says that the nation is entering a new era of lower health care spending, an analysis from the agency that oversees Medicare says probably not. Those economists say that health spending will escalate as the economy improves, as it has in past economic recoveries.

Cyclone Phailin has struck India's coast in the Bay of Bengal, where more than 500,000 people have fled vulnerable areas along the coast. Phailin could pack hurricane-force winds for hours to come.