CNN Health

New evidence about the Nile bolsters a long-standing theory of how ancient Egyptians managed to build the massive pyramids of Giza thousands of years ago.

The Artemis I launch team is gearing up for another countdown that will begin early Saturday morning after a range of issues prevented liftoff on Monday.

Dr. Rochelle Walensky, director of the US Centers for Disease Control and Prevention, signed off Thursday on the recommendation of the agency's independent vaccine advisers in favor of updated Covid-19 vaccine boosters from Pfizer/BioNTech and Moderna.

Ultra-processed foods significantly increases men's risk of colorectal cancer and can lead to early death for both men and women, especially from heart disease, according to two new studies.

The pandemic delivered a one-two punch preventing many children from developing independence and taking on more responsibility. Now, as the school year begins, families may have more time and emotional bandwidth to return to this neglected project.

The US Drug Enforcement Administration issued a warning Tuesday about "brightly-colored fentanyl used to target young Americans."

The stress of hunting for a place to call home can continue long after you've moved in if you end up in a spot that has unexpected issues or otherwise doesn't feel quite right. Here are some important factors to consider when looking for a home.

The US Food and Drug Administration on Wednesday authorized updated Covid-19 vaccine booster shots from Moderna and Pfizer. This is the first time updated Covid-19 vaccines have received emergency use authorization in the United States.

Breaks lasting 10 minutes or less can increase energy and reduce fatigue for workers in some types of jobs but show minimal results for others.

Humans are one small step closer to landing on the red planet.

African American adults who participate in frequent religious activities, or hold deeper spiritual beliefs, are more likely to score higher in indicators linked to good heart health than those who don't, according to new research.

If you've ever been bitten by a mosquito, you know how frustrating their itchy bites can be. The more you scratch, the more they itch. Some experts break down why these bites itch so much and how to prevent or remedy the pain.

After a historic drop in 2020, life expectancy in the United States took another significant hit in 2021.

Stunning new images produced by the Hubble Telescope and the James Webb Telescope showcase the Phantom Galaxy, a spiral of solar systems 32 million light-years away from Earth.

A warm cup of tea in your favorite mug can seem to heal the soul -- and a new study finds it may be good for your body, too.

Both oral and inhaled glucocorticoids used for asthma, allergies and other inflammatory conditions may be linked to decreased white matter, which limits connectivity between different regions of the brain, a new study finds.

Statins are an important tool to prevent major cardiovascular problems, but many patients stop taking them because of side effects, including muscle pain. However, for more than 90% of patients on statins who experience muscle pain, the statin is not the cause of the pain, according to a study published Monday in The Lancet and presented at the European Society of Cardiology Congress in Spain.

Billionaire Elon Musk tweeted, not for the first time, that "population collapse due to low birth rates is a much bigger risk to civilization than global warming." Climate change is a serious problem facing the planet and experts say it's difficult to compare problems.

The pace of new monkeypox cases reported in some major cities -- and in the US overall -- has started to slow recently, but experts say it's too early to know if the trend will last.

Small lithium or "button" batteries that power many of our consumer devices are being swallowed by children in increasing numbers, a new report found.