CNN Health

Astronomers have spied a "black widow" lurking in space 3,000 light-years from Earth, and it's a record-breaking cosmic object.

The man came to an urgent care clinic in New York with red bumps on his skin in an area where he had a fair amount of hair.

Millions of school-age children in the United States are still unvaccinated against Covid-19 as many prepare for a return to school.

The remnants of the massive Chinese rocket that delivered a new module to its space station on Monday are expected to fall to Earth early next week, according to US Space Command, which is tracking the rocket's trajectory.

In June, the World Health Organization recommended that scientists continue to research all possible origins of the Covid-19 pandemic, including a lab leak. Two newly published studies take totally different approaches but arrive at the same conclusion: The Huanan Seafood Market in Wuhan, China, was most likely the epicenter for the coronavirus.

The "murder hornet" is no more. At least, its name is gone.

A longer life may mean scheduling in even more than the recommended amount of weekly exercise, according to a new study.

It may not have been a mountain of pirate treasure, but archaeologists have discovered remnants of a centuries-old shipwreck that they believe inspired the movie "The Goonies."

Sharks have scared us a lot this summer, primarily for suspected attacks on humans. However, humans are a larger threat to sharks than sharks are to us.

Scientists in the United Kingdom say they've found "strong circumstantial evidence" linking a mysterious type of sidekick virus called adeno-associated virus to unexplained cases of liver damage in children around the world.

New survey results published Tuesday by the Kaiser Family Foundation indicate that 43% of parents of children under 5 in the US say they will not get their child vaccinated against Covid-19, the highest percentage in the year that KFF's Vaccine Monitor survey has been asking the question.

Accurate and comprehensive sex education can be difficult to find in the United States, and people may not always be aware that they aren't receiving sufficient information.

Higher-strength marijuana products are causing more cannabis addictions worldwide, increasing depression, anxiety and psychosis, a new review found.

A provocative study published earlier this year proposed that the world's best-known and perhaps best-loved dinosaur, Tyrannosaurus rex, was actually three separate species.

Two months after the United States' first monkeypox case was confirmed, the total has risen to about 2,900. But details about those cases and other epidemiological data aren't spreading nearly as quickly as the virus itself, leaving holes in the response.

People who often nap have a greater chance of developing high blood pressure and having a stroke, a large new study has found.

People underestimate the impact of a simple check-in with friends, a recent study found.

In Terrence Real's new book, the renowned marriage and family therapist argues that our society's extreme focus on individualism comes with a cost: extreme disconnection from one another in our interpersonal relationships.

The World Health Organization (WHO) has declared the monkeypox outbreak a public health emergency of international concern.

Many children, in addition to being behind academically, have experienced what might be thought of as a social and emotional learning loss. For most, it means setbacks in taking on new responsibilities, trying new things or making friends.