Shooting at Nashville elementary school kills three children and three adults; Mississippi residents fear tornado recovery could take years; Israeli prime minister puts plan to overhaul judiciary on hold after protests; and more on tonight’s broadcast.

Six people, including three children, were killed in a shooting at a school in Nashville, Tennessee, officials say, and the shooter was killed by police. Lester Holt anchors an NBC News Special Report with what we know as authorities give an update.

Tornadoes kill dozens across Mississippi and Alabama; Putin announces plan to station tactical nuclear weapons in Belarus; Trump holds first 2024 presidential campaign rally in Texas; and more on tonight’s broadcast.

American contractor killed in Syria drone attack launched by pro-Iranian forces; Gwyneth Paltrow testifies in ski accident lawsuit; AI technology may be able to generate our mind’s images; and more on tonight’s broadcast.

Listen to "NBC Nightly News," providing reports and analysis of the day's most newsworthy national and international events. This audio podcast, updated each weekday evening by NBCNews.com, brings you the day's show in its entirety. For more from "Nightly News", visit http://www.nbcnews.com/nightly-news

For many of us, the term artificial intelligence conjures up images of science fiction movies. But what is it really? As AI technology becomes a bigger part of our world, Lester Holt sits down with Tristan Harris and Aza Raskin, co-founders of the Center for Humane Technology, to talk about how it works.

High school student shoots two administrators in Denver, authorities say; Small tornado touches down outside Los Angeles; The Fed hikes interest rates by 0.25 percent; and more on tonight’s broadcast.

New York City bracing for Trump’s possible indictment; Virginia deputies and hospital workers appearing to pile on Irvo Otieno before his death, video shows; California hit with another storm bringing heavy rains and high winds; and more on tonight’s broadcast.

Trump predicts he’ll be arrested, calls for protests; Chinese President Xi visits Russia, calls Putin ‘dear friend’; Life in Iraq 20 years after U.S. invasion; and more on tonight’s broadcast.

Amber Ruffin went from doing local theater in Omaha to hosting “The Amber Ruffin Show” on Peacock. She tells NBC News’ Kate Snow about a special word of encouragement she received, writing for Broadway and dreaming big.

NBC News’ Dana Griffin sits down with superstar Sheryl Lee Ralph to discuss her incredible Broadway, TV and film career as she inspires a new generation of fans with her role on “Abbott Elementary.”

Outside of singing, Jewel is on a mission “helping people want to live.” She tells NBC News’ Kate Snow about the Not Alone Challenge, a mental health campaign that reminds people they are not alone during the holidays.

Jacob Soboroff hosts an NBC News NOW special exploring the resurgence of hate against Jews in America and what’s being done to combat extremism.

The objective of Bill Nye’s popular children’s show was to “change the world.” He tells NBC News’ Kate Snow how life after his science show includes public speaking engagements and leading the Planetary Society.

NBC News’ Cynthia McFadden reports on the dark history of Native American boarding schools in the U.S. An effort is ongoing to use ground-penetrating radar to look for the unmarked graves of children who may be buried at Red Cloud Indian School in South Dakota.

NBC News’ Antonia Hylton meets Christina Abraham in the months surrounding her 21st birthday as she ages out of the foster care system and needs to find her own place to live in New York City.

Jacob Soboroff details his months-long investigation into labor trafficking in the marijuana black market. Law enforcement tells us that the practice is growing, despite two-thirds of U.S. states legalizing marijuana.

Walker Hayes discusses how he and his daughter’s TikTok dance to “Fancy Like” on their porch went viral. He tells NBC News’ Kate Snow how he battled challenges in his life as he built his career.

Adorable, rainbow-beaked Atlantic puffins were once so prized that they were nearly hunted to extinction. One man is responsible for their resurgence in population: biologist Steve Kress. NBC News’ Kerry Sanders travels to Eastern Egg Rock Island in the Gulf of Maine to learn more.

The Colorado River is a 1,400-mile, life-sustaining artery for the American West – supplying water for seven states while generating hydroelectric power for millions. But experts tell NBC News’ Steve Patterson that the river’s power is shrinking. Steve gets exclusive access inside the Glen Canyon Dam as the crisis leads to historic water rationing, and looks into the consequences at the Grand Canyon and beyond.