CNN Health

An unusual star system created more of a fizz and less of a bang when it exploded in a supernova.

From the ruins of an embalming workshop, scientists have discovered the substances and concoctions ancient Egyptians used to mummify the dead.

People who live in a highly polluted area have a higher risk of depression and anxiety than those who live with cleaner air, a new study says.

Eating more ultraprocessed foods raises the risk of developing and dying from cancer, especially ovarian cancer, according to a new study of over 197,000 people in the United Kingdom, over half of whom were women.

The US Centers for Disease Control and Prevention is urging health care providers and consumers to stop using EzriCare Artificial Tears as it conducts an investigation into at least 55 infections in 12 states that have led to instances of permanent vision loss, hospitalization and one death.

Getting married, buying a home, changing jobs. They're among the biggest decisions most adults will likely make at some point — but how do you know you're making the right choice?

Adult use of marijuana and alcohol rose when Covid-19 struck, but use of any substance dropped in teenagers, a new study finds.

The head of the US Food and Drug Administration proposed sweeping changes to the agency's food safety programs Tuesday in order to protect the US food supply and promote better nutrition.

The US public health emergency declaration for mpox, formerly known as monkeypox, ends Tuesday.

No other animal is as inexorably linked with extinction as the dodo, an odd-looking flightless bird that lived on the island of Mauritius in the Indian Ocean until the late 17th century.

Forty percent of US parents are "extremely" or "very" worried that their children will struggle with anxiety or depression at some point, a new survey finds.

The number of babies born each year in the United States has been steadily dropping since the Great Recession of 2008. When the Covid-19 pandemic hit and brought another burst of uncertainty, many expected an even steeper dropoff.

The United States spends more on health care than any other high-income country but still has the lowest life expectancy at birth and the highest rate of people with multiple chronic diseases, according to a new report from The Commonwealth Fund, an independent research group.

Letting infants watch tablets and TV may be impairing their academic achievement and emotional well-being later on, according to a new study.

On the Galapagos Islands, a ground finch that usually munched on small, soft seeds was forced, during a drought, to eat harder, larger ones.

As a NASA orbiter turned its camera to the Martian surface, the face of a bear seemed to be looking back.

Covid-19 has become the eighth most common cause of death among children in the United States, according to a study published Monday.

Being impulsive and engaging in risky behavior -- does that describe your teen or an adolescent chimpanzee? Maybe both, according to a new study.

A new paper adds to the mounting evidence that school-age children across the globe experienced significant setbacks in their learning progress during the Covid-19 pandemic.

Covid-19 remains a global health emergency, the World Health Organization said on Monday, but it acknowledged the pandemic is at a "transition point."