CNN Health

A NASA spacecraft flew by one of the most intriguing ocean worlds in our solar system on Thursday.

A new study found that various types of coffee -- decaffeinated, ground and instant -- could all protect you from heart disease and an early death.

The US Food and Drug Administration is proposing changes to the nutrition standards that foods must meet before they can carry the "healthy" label on their packages.

There's now scientific evidence shedding more light on one of Barkley's impressive skills in a long list of endearing traits: the ability to smell when you're stressed.

A monoclonal antibody treatment for Alzheimer's disease called lecanemab slows the progression of cognitive decline by 27% compared with a placebo, drugmakers Biogen and Eisai said Tuesday.

Many people have felt on edge since the US shut down in response to the Covid-19 pandemic. Not only is it normal, but it may be a nationwide change in personality, experts say. How long it lasts and what the impacts are still remain uncertain, they added.

US Food and Drug Administration authorization for updated Covid-19 boosters could be expanded to younger age groups as soon as early October, a source close to planning discussions tells CNN.

Many people postponed routine medical care because of disruptions related to the Covid-19 pandemic. That includes a decline in cancer screenings. Why is cancer screening so important and what are guidelines for who should be screened for what cancer? CNN Medical Analyst Dr. Leana Wen shares expert advice.

Doctors should prepare for a possible increase in young patients with enterovirus D68, the US Centers for Disease Control and Prevention reported Tuesday, and that may be linked to more cases of the rare, paralyzing condition acute flaccid myelitis.

Doing a certain amount of aerobic activities and weight training per week could lower your risk of dying early, new research has found.

A dazzling spiral galaxy located 29 million light-years from Earth appears in "unprecedented detail" in a new image released by NASA's James Webb Space Telescope.

People who got the Covid-19 vaccine reported slightly longer menstrual cycles, but the change was temporary, according to a new study published Tuesday in the journal BMJ Medicine.

The life cycle of plastic begins underground, where oil and gas are extracted from deep below the surface of the planet. These fossil fuels are then refined in facilities, using extreme temperatures and significant amount of water and energy, where they are transformed into pellets that are eventually melted and molded into things like water bottles, packaging, garbage bags and clothes.

"Eat with the seasons" has long been the rallying cry of local growers and their supporters. It's a message that's easy to embrace.

There are signs that the United Kingdom could be heading into a fall Covid-19 wave, and experts say the United States may not be far behind.

Not getting enough sleep changes immune cell DNA, setting us up for inflammation and raising the risk for chronic disease, a new study found.

You're at risk from lightning during a thunderstorm even when you're inside your home, including while showering or washing your hands. Read on to protect yourself and your family.

Pregnancies from in vitro fertilization using frozen embryos appear to be linked to an increased risk of complications related to high blood pressure, or hypertensive disorders, compared with when fresh embryos are used or when a pregnancy is conceived naturally.

Does bread feel like an unhealthy nutritional splurge? It can be part of balanced eating, dietitians say. They explain how to optimize your bread-eating habits for your health goals, whether you love wheat bread, sourdough bread, white bread, rye bread or pita bread.

Younger children could soon be eligible to receive an updated Covid-19 booster shot.