Stephen Hawking once proposed that unseen “primordial” black holes might be the hidden dark matter. A series of new studies shows how it can work.

The focus on the court could help energize conservatives in key states. Progressives are fired up, too — immediately after Saturday's announcement, Democrats tied Barrett to a fight for health care.

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The uncertainty of past U.S. elections may not offer an adequate model given the magnitude of this year's problems and the apparent determination of the incumbent to resist any adverse results.

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As the U.S. faces a fight for racial justice in the aftermath of police killings of George Floyd and Breonna Taylor, some Black Americans are considering how they can best protect themselves.

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Anthony Bottom, 68, is at the center of a discussion over elderly inmates convicted of violent crimes in their youth. Reform advocates say after decades behind bars most should go home.

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Many of the updates to Google's mobile OS are behind the scenes—but they can help you control your app permissions and keep your data safe.

The National Weather Service issued red flag warnings throughout parts of the state. Cal Fire says winds and low humidity are expected to exacerbate fire conditions and drive up temperatures.

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The move extends a moratorium Trump imposed earlier this month. The oil industry opposes the move. Trump's detractors say Trump is playing politics ahead of a close election battle.

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The Democratic nominee said the winner of the presidential election should select the next nominee. President Trump announced Amy Coney Barrett as his choice for the Supreme Court on Saturday.

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The U.S. reported more than 55,000 infections Friday, pushing the total number of cases to more than 7 million. Some two dozen states saw new cases continue to rise this past week.

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NBC News posted video of the judge leaving her home in South Bend, Ind., with her husband and children, all dressed in formal attire Saturday. She is expected to be nominated to the Supreme Court.

Astronauts have been able to cast ballots from above since the Texas legislature gave its blessing in 1997. "It's critical to participate in our democracy," NASA astronaut Kate Rubins said.

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Plus: A cruel phishing test, ransomware hits Russia, and more of the week's top security news.

A rolling carry-on is perfect for more than just flying. Whether going by air, road, or rail, here is our favorite luggage.

Cities like Los Angeles, Seattle, and New Orleans are aiming to tackle another, longer-term emergency: the climate crisis.

Roughly 2.5 million citizens of the approximately 5 million people expected to vote this fall have requested to vote by mail, according to Secretary of State Jocelyn Benson.

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President Trump's move to replace the late-Justice Ruth Bader Ginsburg on the Supreme Court has triggered a fight for the direction the country with just weeks to go until Election Day.

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Republicans expect the president to select Judge Amy Coney Barrett as his choice to take Justice Ruth Bader Ginsburg's seat, a source tells NPR. Watch the official announcement at 5 p.m. ET.

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Snag discounts on the MacBook Air, Echo Dot, OnePlus 8, and other tech to keep you distracted indoors as the weather starts to cool.

Scientists picked up signs of phosphene on Venus by using a technique called rotational spectroscopy. It works like this.