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Analyzing the chemistry of some ancient teeth has revealed what human ancestors were eating around 3 million years ago.

Last fall, thousands of people took part in a stress reduction study, learning skills that can improve mood and reduce anxiety. The results are in: Here's what they show.

President Trump says he's thinking of getting rid of the country's disaster response agency, FEMA. States say they can't replicate what FEMA does on their own.

Egg farmers have been plagued by widespread outbreaks of bird flu. Experts say it's hard to predict when the industry will bounce back from the illness' effects.

The female rhesus macaques staged an escape from the Alpha Genesis Primate Research Center in South Carolina last year.

Within the span of a few days, another SpaceX Starship broke up on re-entry, and two other space companies faced failures. This reflects a new "fail-fast, learn-fast" ethos of spacecraft development.

More than three-quarters of U.S. wells make just 6% of the country's oil. They're called marginal wells because of their small output. But they're a big deal to oil producers and environmentalists.

Data shows it can prevent six types of cancer. But anti-vaccine activists, including U.S. Health Secretary Robert F. Kennedy Jr., have helped dampen its usage.

The university will change its approval process for team trainings, among other recommended remedies, after the group workout that left lacrosse players hospitalized in September.

At a time when more than half the American diet comes from processed, packaged foods, the FDA has new rules aimed at helping people make healthier choices in the grocery store.