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Researchers have spent ten years improving the massive detectors they use to catch shockwaves from colliding black holes, and now the science is precise enough to test one of Stephen Hawking's key ideas.

(Image credit: Maggie Chiang)

Israel's surprise attack in Qatar on Tuesday targeting Hamas' top political leaders was the latest in a campaign aimed at hunting down Israel's top enemies since the 2023 Hamas-led attack on Israel.

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For college students who don't have a lot of money, it can be tough to wrap your head around student loans, credit cards and a tight budget. A financial educator offers advice for first-year students.

Brightline West is betting it can build the first true high-speed rail line in the U.S. But the company says costs are rising, despite its best efforts to keep them down.

A late summer run for NPR's Brian Mann featured an abundance of ripe, wild berries and a dip in the river.

(Image credit: Brian Mann)

1,100 people killed on 9/11 in New York City have not had any of their remains identified by authorities. The medical examiner's office is using new technology to identify more people.

(Image credit: José A. Alvarado Jr. for NPR)

These hairy spiders spend almost all of their lives underground. But when it's time to mate, they must brave the great outdoors before they perish.

(Image credit: Thomas Peipert)

 Elizabeth Miller and Brett Eagleson both lost their fathers on September 11, 2001. On the 24th anniversary of the day, they remain divided on how justice should be done.

(Image credit: Bryan Anselm/The New York Times/Redux and Jessica Hill/AP)

Many loved ones of the nearly 3,000 people killed will join dignitaries and politicians at commemorations Thursday in New York, at the Pentagon and in Shanksville, Pennsylvania.

(Image credit: Donald King)

In a video statement, Trump said Kirk's death was a direct consequence of people demonizing those they disagree, and then turned his ire to the political left.

(Image credit: Ross D. Franklin)

Kirk, the founder of Turning Point USA, was arguably the most influential voice in young conservatism, and played a pivotal role in President Trump's return to the White House.

(Image credit: Andrew Harnik)

For the first time since 2020, COVID is not one of the 10 leading causes of death in the U.S.

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"The Great, and even Legendary, Charlie Kirk, is dead," President Trump wrote in a Truth Social Post. Kirk was shot during an outdoor speaking event at Utah Valley University on Wednesday.

(Image credit: Andri Tambunan)

Qatar slams Israeli attacks on Hamas leaders in Doha as "state terrorism" after the bombardment rocks the tiny U.S. ally and dashes hopes of a ceasefire in Gaza

(Image credit: Karim Jaafar)

Charlie Kirk, CEO and co-founder of the conservative youth organization Turning Point USA, was shot Wednesday at an outdoor rally at a Utah college.

Ancient organisms may have left microscopic "biosignatures" on Mars. That's according to NASA scientists, who say a rock sample offers the most concrete proof yet that the red planet once hosted life.

Before 2026's midterms, President Trump wants to ban mail-in ballots and electronic voting machines, and change voting rules. Legal expert Richard Hasen discusses the future of free and fair elections.

In his first term, President Trump only dined out at the steakhouse in his former hotel. He visited a steakhouse near the White House on Tuesday, saying, "I wouldn't have done this three months ago."

(Image credit: Win McNamee)

The lawsuit from three senior and lauded FBI agents at the bureau says Trump administration demanded loyalty for those staying at the bureau.

(Image credit: Andrew Harnik)

If passed, the law would protect doctors from legal risk by letting them omit their names from prescription labels for abortion pills. It would affect the many doctors who use California pharmacies.

(Image credit: Natalie Behring)