CNN Health

Catnip isn't just intensely pleasurable for cats. It's also practical.

For the first time, the Hubble Space Telescope has detected a lone object drifting through our Milky Way galaxy -- the invisible, ghostly remains of a once radiant star.

Why do i wake up before my alarm? Waking up way before your alarm souns isn't a new phenomenon, sleep experts say, but it can cause discomfort.

It's the middle of the day, and your morning caffeine rush has sputtered to a slow crawl. You're starting to slump but don't want another turbocharged cup of coffee. Why not turn to a refreshing glass of iced tea?

Strange and unexpected tsunami-like starquakes -- movements on stars' crusts similar to earthquakes we experience on our planet -- have been revealed by the European Space Agency's Gaia space observatory.

Meditation has been found to be helpful for improving mental and physical health. But experts are still learning about exactly what processes make those benefits possible for some, but not others.

You consider yourself a light-to-moderate drinker, having the occasional cocktail or glass of wine with dinner and only tossing back a few extra glasses of liquid refreshment at social gatherings on weekends. By most standards, you'd be right -- because drinking is typically tracked as an average over the week.

In the late summer of 2020, my colleague Jo Parker, a senior editor at CNN, called me to discuss a job applicant. My department, CNN Health, was hiring a freelance news assistant to help with the avalanche of Covid-19 research, and Jo said she knew just the right person for the job.

Music pop star Justin Bieber told fans he is suffering from facial paralysis caused by Ramsay Hunt syndrome. What is this rare neurological disorder?

June's full moon, the strawberry moon, will illuminate the sky this week.

The stereotypes of dominant male and docile female creatures have shaped zoology since the time of Charles Darwin. This interpretation all too often still goes unchallenged today in textbooks and nature documentaries.

Moderna's Covid-19 vaccine is safe and generated an immune response in children ages 6 months through 17 years that's comparable to the response in adults, according to documents posted by the US Food and Drug Administration ahead of key meetings of its independent vaccine advisory group.

Scientists are learning more about how psychedelic mushrooms may alter the brain, potentially leading to long-lasting reversals of depression, anxiety, cluster headaches and more.

When a small female tortoise was spotted in 2019 on the inaccessible volcanic island of Fernandina in the Galapagos, researchers were shocked.

When Dr. Nesli Basgoz met her patient for the first time in May, he had been admitted to Massachusetts General Hospital with symptoms that were quite common for many infectious diseases -- fever, rash, fatigue, sweats.

The first shipments from the federal government's Operation Fly Formula will bring a total of nearly 1 million pounds of baby formula powder into the United States. That's just a fraction of what the nation's families need -- about the same amount of formula typically sold over two days in the US -- but it is a jump-start to easing the shortage.

Gender experts are coming up with a new way to speak to boys about being a boy. Using aspirational masculinity, boys, they say, can feel good about being a boy, learn to be critical of some traditional masculinities and see themselves as part of a better tomorrow for all.

The spread of monkeypox through small virus particles that linger in the air "has not been reported," the US Centers for Disease Control and Prevention said in guidance posted Thursday. It may spread through "saliva or respiratory secretions" during face-to-face contact, but these secretions "drop out of the air quickly," and studies have found that this method of transmission seems uncommon.

NASA is putting a team together to study unidentified aerial phenomena, popularly known as UFOs, the US space agency said Thursday.

The White House is announcing a Covid-19 vaccine rollout plan Thursday for children under 5, partnering with state and local governments, health care providers, federal pharmacy partners, national and community-based organizations and other entities to ship and distribute vaccines across the country following next week's meeting of the FDA's vaccine advisers -- who will review data on these vaccines from Pfizer and Moderna -- and expected authorization from the full FDA.