Across the country, some major airports face weather delays as Christmas travelers head home. With storms sweeping the South, Texas is expected to be hit the hardest. CBS News correspondent Skyler Henry has the latest.

The Journal of the American Medical Association published a review of more than 100 clinical trials that found at least 2.5 hours of moderate to higher intensity aerobic exercise per week "may help lead to a meaningful decrease" in weight, waist size and body fat. CBS News medical contributor Dr. Celine Gounder explains.

After the holiday gifts have been unwrapped, the National Retail Federation predicts nearly $900 billion in goods will be returned starting Friday. This week alone, retailers will see two-to-three times the number of returns than usual. CBS News senior transportation correspondent Kris Van Cleave has more.

"CBS Mornings" co-host Nate Burleson and his wife, Atoya, go on a journey to explore her ancestral roots and the impact of the Tulsa Race Massacre of 1921.

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With a record number of travelers expected this Christmas Eve, airports and highways will be packed despite forecasts of challenging weather in the Northeast and West Coast. TSA expects nearly 40 million passengers this holiday season, while gas prices remain lower than last year.

Starbucks baristas in 12 cities are on strike, demanding higher wages and better working conditions.The walkouts come just days before Christmas, with workers speaking out against the company's proposed pay increases as inadequate.

As Honda and Nissan move toward a potential merger, the auto industry's shift away from gas-powered vehicles could significantly impact your next car purchase. CBS News' Kelly O'Grady explains what this merger could mean for consumers.

Waymo presents a first look at its fully autonomous car operating at higher speeds on a Phoenix freeway, as the company faces growing safety concerns and skepticism about driverless technology. Kris Van Cleave reports on the future of autonomous vehicles.

CBS News' Chris Livesay visited St. Peter's Basilica at the Vatican to see the newly restored historical features. These features are now fully visible for the first time in generations as part of major preservation efforts in Rome.

"Club Cardio" is a unique workout that blends hip-hop and step aerobics. The class has gone viral with millions of views on social media, and gained celebrity fans like Ciara. Michelle Miller has more on how the family-run business is transforming fitness.

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Seasonal illnesses are increasing just days away from the holidays. The CDC reports positive flu tests are up 9% in the most recent week and cases of whooping cough are six times last year's rate. Dr. Susannah Hills, an ear, nose and throat specialist at Columbia University Medical Center, explains how to stay safe.

Actress and producer Blake Lively has accused Justin Baldoni, her costar and the director of "It Ends with Us," of repeated sexual harassment on set and of orchestrating a smear campaign against her. Baldoni's attorney called the claims "categorically false."

Bergdorf Goodman's iconic holiday windows are more than decorations, they're celebrated works of art. Michelle Miller introduces the artisit behind the dazzling displays.

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