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The New Year's Eve fire that destroyed a Knoxville, Tenn., Planned Parenthood building was intentionally set, investigators and officials have ruled.

The fire was ruled an arson on Thursday after officials from the Knoxville Fire Department and the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) investigated the scene. Officials say they don't know who set the fire.

As many as two-thirds of pregnant women remain unvaccinated — many out of concern that the vaccine is not safe.

In September, the Centers for Disease Control and Prevention urged those expecting a child to get a vaccine because COVID-19 can cause health complications for both the mother and baby.

Mercedes-Benz has unveiled a new futuristic and sustainable electric concept car — one that could one day take drivers from New York City to Detroit on just a single charge.

A critically endangered tiger that attacked a man at Naples Zoo at Caribbean Gardens, located in Naples, Fla., is dead after police shot the animal on Wednesday evening.

Eko, a Malayan tiger, was 8 years old.

It started with an insurrection and ended with a new coronavirus variant spreading like wildfire. In between was a year of tremendous loss.

From titans of arts, politics, sports and science to lesser-known people whose lives made an impact, too, here is a roundup of NPR coverage of some of the deaths of people who helped shape our world, in ways both great and small.


NPR's coverage of Joan Didion, who died Thursday at age 87, dates back to 1977, where she described what she meant when she wrote "writers are always selling somebody out" in the introduction of her 1968 book Slouching Towards Bethlehem.

On the eve of her execution in 1587, Mary, Queen of Scots wrote what is thought to be her very last letter.

She had been imprisoned for nearly 20 years for the perceived threat she represented to Queen Elizabeth I in terms of a takeover of the English throne. With hours to go until her beheading, Mary sat down and penned what researchers say was not only her last will and testament, but also a bid for martyrdom.

Elon Musk has been named Time's 2021 Person of the Year.

Musk, the richest person on Earth, is the CEO of the aerospace company SpaceX and electronic car company Tesla.

Medina Spirit, whose 2021 Kentucky Derby win is under dispute, collapsed and died after a routine workout on Monday morning at the Santa Anita racetrack in Southern California.

The three-year-old colt died suddenly from what appears to have been a cardiac event, according to the on-site veterinary team that attended to him.

One grandma's mistaken text message is now being adapted into a Netflix feature film.

In 2016, Jamal Hinton, a senior in high school, received a text from a grandmother inviting him over for Thanksgiving dinner.

Hinton quickly figured out it wasn't his grandmother, but grandma Wanda Dench still extended her invitation to the then stranger to come over for Thanksgiving dinner.

Two NASA astronauts were scheduled for a Tuesday morning spacewalk outside the International Space Station, but the possibility of space debris delayed their plans.

Astronauts Thomas Marshburn and Kayla Barron were scheduled to replace a faulty antenna at 7:10 a.m. EST, a fix that was expected to take about six and a half hours to complete. The spacewalk would have been the first of Barron's career.

For their first Christmas in the White House, the Biden family will celebrate with the theme of "gifts from the heart" for their holiday decor.

In unveiling the theme on Monday, President Biden and first lady Jill Biden explained: