CNN Health

The James Webb Space Telescope has glimpsed the dark side of the usually ethereal Pillars of Creation, located 6,500 light-years away in the Eagle Nebula.

A large new analysis finds regularly taking blood pressure medications to lower existing hypertension during midlife can reduce the risk of later dementia.

Playing a sound while people are reimagining their nightmares as positive experiences lessened scary dreams fourfold, a new study found.

Christmas came a little early for NASA's InSight mission last December when the lander detected a massive quake on Mars.

Black and Hispanic adults who go into cardiac arrest in public are less likely to receive CPR from anyone standing by before a medical team arrives, a new study finds.

In a possible warning sign for the US and other Northern Hemisphere countries, Chile's 2022 flu season started much earlier than usual and brought more hospitalizations than during the pandemic, but the effectiveness of the vaccine against hospitalization was estimated to be almost 50%, according to a new study published by the US Centers for Disease Control and Prevention.

People of color -- especially Black and Hispanic people -- were less likely to receive Paxlovid and other Covid-19 treatments, according to a study published Thursday by the US Centers for Disease Control and Prevention.

When Katie Couric shared the news of her breast cancer diagnosis, the former co-host of NBC's "Today" show said she considered this new health challenge to be a teachable moment to encourage people to get needed cancer screenings.

The United States is dealing with a unique season of respiratory virus transmission: Flu cases are on the rise earlier than usual, and RSV case rates are extra high, even after an "unprecedented" early surge this summer. And Covid-19 is still a public health emergency.

Whether you're getting kicked off your parent's health insurance plan or have been doing open enrollment for years, navigating health insurance jargon can be daunting.

Ancient bacteria might be sleeping beneath the surface of Mars, where it has been shielded from the harsh radiation of space for millions of years, according to new research.

For nearly two decades, Kristin Friberg has been a librarian with the Princeton Public Library in New Jersey, where one of her many roles is to lead local book groups. When the Covid-19 pandemic hit, she worried about the book club participants who had become friends over the years and the library regulars who would often stop in just to talk.

The James Webb Space Telescope has provided astronomers with a glimpse of the early universe in a new image shared on Wednesday.

Sahaj Kohli, a mental health professional and creator of Brown Girl Therapy, share the struggles tha children of immigrants on how to navigate difficult conversations.

The updated Covid-19 booster shots appear to work about as well against the BA.4 and BA.5 Omicron subvariants as the original boosters they replaced, according to two new studies from research teams at Harvard and Columbia universities.

The hunt for planets that could harbor life may have just narrowed dramatically.

The social media platform TikTok has helped spread yet another potentially dangerous idea: taping your lips shut to stop mouth breathing at night.

Yes, I ironed my daughter's mattress wearing a shower cap. But after I found lice eggs in her hair, I freaked.