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There may be hope for the nearly extinct northern white rhino yet, thanks to the pregnancy of a closely related subspecies.

"Victoria," a southern white rhino in California, was impregnated through artificial insemination, researchers announced on Thursday.

"It's very exciting because this is our first pregnant rhino from artificial insemination here at the San Diego Zoo Safari Park," Barbara Durrant, director of reproductive sciences at the San Diego Zoo Institute for Conservation Research, told NPR.

Americans are rediscovering the coldest aisle in the supermarket.

According to a new report, sales of frozen foods, including vegetables and prepared foods, are now on the rise following a multi-year slump.

The uptick is new — and modest. But growth "is accelerating as consumers begin to see freezing as a way to preserve food with fewer negatives," concludes a report from RBC Capital Markets.

For the first time, the U.S. military is speaking publicly about what it's doing to address potential health risks to troops who operate certain powerful shoulder-mounted weapons.

These bazooka-like weapons produce forceful explosions just inches from the operator's head.

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Suicide rates among farmers are higher than any other profession in the United States and now some experts and Senators worry Washington politics could be making farmland stresses even worse.

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Starbucks has an ambitious plan to try to address discrimination and unconscious bias by training nearly 175,000 of its workers one afternoon later this month.

Someone appears to be producing a banned ozone-depleting chemical, interfering with the recovery of Earth's damaged ozone layer, according to a newly published study led by scientists with the National Oceanic and Atmospheric Administration.

The illicit emissions are believed to be coming from somewhere in eastern Asia, but nothing else is known about the offender. It's a scientific whodunit — or rather, a who's-doing-it.

A new case of Ebola has emerged in an urban area of Democratic Republic of the Congo, a troubling development in the country's new outbreak of the contagious and often fatal virus. Until now, the outbreak had affected a rural area.

Dr. Oly Ilunga, Congo's minister of health, announced Wednesday that a suspected case was confirmed in Mbandaka, a city of about 1.2 million people, and the capital of the Équateur Province.

"We are moving to a new phase of the epidemic," Ilunga says.

Updated at 8:48 p.m. ET

The birthrate fell for nearly every group of women of reproductive age in the U.S. in 2017, reflecting a sharp drop that saw the fewest newborns since 1987, according to a new report by the Centers for Disease Control and Prevention.

There were 3,853,472 births in the U.S. in 2017 — "down 2 percent from 2016 and the lowest number in 30 years," the CDC said.

It's 2016. Stephanie Strom, a reporter at The New York Times, gets a hot tip from some of her Wall Street contacts. They're big investors, including hedge funds.

They tell her that some aggressive investors — they don't say exactly who — have made a big bet against chicken companies. Those investors think chicken companies have grown too fast, and the nation is headed for a glut of chicken.

"They were betting that the price of chicken was going to fall," Strom recalls; chicken companies' profits would disappear, and their stock price also would take a hit.

When a WWE wrestler, especially one known for his demonic antics and a move called the "tombstone piledriver," runs for mayor of your county, you know your election is going to get more attention than usual.

But in Knox County, Tenn., it wasn't the fact that Glenn Jacobs, also known to wrestling fans as Kane, was running for mayor that gained national attention on the county primary day, May 1.

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