CNN Health

When a large experimental heat shield inflated in space and faced the brutal reentry of Earth's atmosphere last week, the aeroshell survived — and NASA officials have deemed it a "huge success."

A growing measles outbreak in Columbus, Ohio, has sickened more than a dozen unvaccinated children and hospitalized nine of them, and local public health officials are seeking assistance from the US Centers for Disease Control and Prevention.

The James Webb Space Telescope has spied one of the earliest galaxies formed after the big bang, about 350 million years after the universe began.

Upside Foods, a California-based company that makes meat from cultured chicken cells, will be able to begin selling its products once it has been inspected by the US Department of Agriculture.

When the US Food and Drug Administration confirmed a shortage of the drug Adderall last month, many people who rely on the medication weren't surprised: They've been struggling to fill their prescriptions for months.

For many people, travel is a necessary part of celebrating the holidays with loved ones. This means enduring all the stressful hiccups that can come with traveling and spending time away from the comforts of your own home.

The US Food and Drug Administration is charting a plan to enhance its surveillance of infant formula for Cronobacter bacteria.

There were more than 50,000 home births in the United States in 2021, an increase of 12% over the year before and the highest level since at least 1990, according to a report released Thursday from the US Centers for Disease Control and Prevention's National Center for Health Statistics.

Another woman has come forward with the harrowing details of how the Supreme Court's decision four months ago to overturn Roe v. Wade put her life in danger.

Cases of Covid-19 rebound following treatment with the antiviral medication Paxlovid -- where infections rev back up again after people complete their five-day course of the medication -- appear to be at least twice as common as doctors previously knew, a new study suggests. Covid-19 rebound also seems to be more common in people who take Paxlovid compared with those who don't take the antiviral, although it can happen in either circumstance.

A growing percentage of Indigenous and Black parents in the United States reported that their children have faced racist experiences, according to a study published in the Journal of Osteopathic Medicine.

The cosmic chaos caused by a very young star has been captured in the latest enchanting image from NASA's James Webb Space Telescope.

Adults hear a lot about bullying, shaming and comparison on social media, inside their teens' phones. But parents may only be looking at one side, a new study has shown. Teens share what they experience, and an expert explains how to keep social media positive for them.

Going into the third Thanksgiving since the onset of the pandemic, there are now many tools to help manage Covid-19 risk, including safe and widely available vaccines. But this coronavirus still presents a danger, especially to older people and those with chronic medical conditions.

Uganda has been struggling with an Ebola outbreak for months, and although there have been no suspected or probable Ebola cases identified in the United States, federal and local health officials are working together to prepare for the possibility that the virus will spread across the Atlantic.

Blasting music through earphones or crowding into a concert venue may sound fun, but the sound is a problem, according to a new study. Unsafe listening practices is putting more than 1 billion people at risk for hearing loss, the study said. Here are ways to prevent it.

The historic Artemis I mission — an uncrewed test flight around the moon that will make use of the most powerful operational rocket in the world — could finally take flight this week.

People who smoke weed and tobacco had more lung damage than tobacco-only smokers, a new study found.

When it comes to which milk is better for the planet — dairy or plant-based — environmentalists will say there's no dispute: Milk made from plants wins every time.