The Supreme Court heard arguments Monday in a case about whether a federal law that prohibits inducing unlawful immigration violates the First Amendment.

U.S. sales of heat pumps overtook sales of gas furnaces in 2022. But what is a heat pump? And why do some call it a key climate solution?

The world's tropical rainforests are still getting hit hard by deforestation. Now, scientists are finding that's having an expected impact: causing droughts.

Travel to the U.S. for performing artists could get more expensive after U.S. Citizenship and Immigration Services has proposed doubling the cost of visa applications.

When their rare Siberian tigers proved to be "just friends," the National Zoo turned to artificial insemination in hopes of creating a next generation.

Eight California counties are creating "Care Courts" for people with untreated severe mental illness. A judge may order treatment that counties must fund. Civil liberties groups have sued to stop it.

The next few nights, five planets will line up in the sky: Jupiter, Mercury, Venus, Uranus and Mars.

A 100-year-old church in Rolling Fork, Miss., was decimated by tornados. Parishioners are already in the process of rebuilding their congregation.

NPR's Adrian Florido talks with Former U.S. Ambassador to Israel Dan Shapiro about demonstrations in Israel around Netanyahu's controversial plan to reform the judiciary.

Facing protests that had shut down much of his country, Israeli Prime Minister Benjamin Netanyahu says he's delaying a vote in parliament that could give his coalition more power over choosing judges.