CNN Health

December's full moon, also known as the "cold moon," will shine bright in the night sky this Wednesday, peaking at 11:08 p.m. ET.

More than a year and a half after its first flight on Mars, the Ingenuity helicopter has set a new record.

A core of ice age sediment from northern Greenland has yielded the world's oldest sequences of DNA.

How does one go on with a holiday under such circumstances? On the one hand, the entire family was together for the first time in many years, and there was lots to do. On the other, there was little time to think about what we'd just witnessed or process our emotions.

As a triple threat of respiratory illnesses -- flu, Covid-19 and respiratory syncytial virus, known as RSV -- sweeps the United States, emergency departments are using one small tool more than usual to monitor whether a patient needs oxygen: the pulse oximeter.

Neck pain may have many causes: Stress, poor posture, texting, injuries from sports, car or other accidents and chronic illnesses such as fibromyalgia, to name a few. But there's another culprit you may not be considering — how you sleep.

To help prevent outbreaks of food-related illness and problems like the formula shortage, the US Food and Drug Administration needs a clearer mission and a different kind of leadership, and it has to act with more urgency, according to a highly critical new report.

Colon cancer has claimed another life. Emmy Award and Golden Globe winner Kirstie Alley, best known for her roles in the television sitcoms "Cheers" and "Veronica's Closet," died Monday at age 71 after battling cancer that was "recently discovered," according to a family statement.

On Christmas Eve in 1972, humanity received a gift: A portrait of the Earth as a vivid globe.

A measles outbreak in central Ohio is growing, sickening more than 50 children, with many of them needing hospitalization, according to data updated Wednesday by Columbus Public Health.

Wintertime brings sniffles, and with so many kids coming back to school from a few years at home, RSV, the flu and colds are hitting especially hard. Experts share when it's time to keep your kids home from school and when it's time to see the doctor.

Recently exposed sandbars along the drought-stricken Mississippi River have caught the attention of fossil hunters, leading to two exceptional finds from a rare ice age species.

More than 1,200 pregnant and postpartum women died of a drug overdose in the US in 2020, with overdoses involved in more than 1 in 6 pregnancy-associated deaths that year, according to a new study.

Our bodies need adequate movement throughout the day to keep joints mobile and blood circulating through our muscles. This is especially true for spinal vertebrae and back muscles. Read on for six everyday fixes on how to prevent back pain.

This year's flu shot appears to be "a very good match" to the circulating strains, US Centers for Disease Control and Prevention Director Dr. Rochelle Walensky said Monday. However, she noted that flu vaccinations are lagging behind the pace of previous years.

The largest predatory dinosaur to ever walk on Earth sported a massive sail that rose from its back, but it turns out this imposing creature would have made for a very slow and awkward swimmer, according to new research.

Eating ultraprocessed foods such as hot dogs, French fries, sodas, cookies and ice cream could set you on the road to cognitive decline, a new study revealed, but there is a way to overcome the negative impact.

The historic Artemis I mission, which is sending an uncrewed spacecraft on an unprecedented trip around the moon, is now in the final stretch of its historic journey.

Hearing loss is far easier to treat than cognitive decline, experts say. And addressing the issue with tools like hearing aids may help prevent dementia, according to a new meta-analysis.

Dr. Mrinalini Watsa, a researcher at San Diego Zoo Wildlife Alliance in California, scoops up soil from a fresh paw print made by Rakan, a 4-year-old male Sumatran tiger who lives at the San Diego Zoo Safari Park, and secures it in a specimen jar.