New NIH-funded research looks at what happens to blood sugar levels when Diet Coke is swapped for water.

When comparing diet soda vs regular soda, diet soda limits blood sugar spikes, but neither option is ideal for long-term ...

The first Pepsi Challenge tour in 50 years didn’t feature regular or even Diet Pepsi. Instead, the blind taste-test showdown ...

Coca-Cola is practically synonymous with America. There's only one other soda that rivals it in sales and prevalence, and that's its diet version. Diet Coke feels like it's just been here forever, ...

Like unique and tasteful artwork, practical goods and the Diet Coke Crocs that went viral.

A new study found that people with type 2 diabetes who drank diet soda didn't get any healthier when switching to water—in ...

After nearly 60 years, Coca-Cola is discontinuing its first-ever diet soda, Tab, which acquired a huge fan base in the '70s and '80s and maintained a small but devoted following through the years.

New year, new Diet Coke! The brand is kicking off 2018 with a new can design and four new flavors, Coca-Cola announced Wednesday. The new design maintains the brand's iconic silver background but ...

Diet Coke may not be the best beverage option for weight loss, but there’s no evidence to show it causes fluid retention. Diet Coke may offer an easy way to satisfy your sweet tooth without ...

A gone-but-not-forgotten soda flavor is coming back to stores — but not for long. A spokesperson from the Coca-Cola Company confirmed to TODAY.com that Retro Diet Coke Lime will be returning to stores ...