Investigating the site of an ancient river delta, the Perseverance rover has collected some of the most important samples yet on its mission to determine if life ever existed on Mars, according to NASA scientists.
As part of the White House's Covid-19 response plan for the fall, the US Department of Health and Human Services is debuting its first video ad to encourage people to get the updated Covid-19 booster shot -- especially those who are 50 and older.
With its striking rings and tilted axis, Saturn is the showiest planet in the solar system. Now, scientists say they have a new theory as to how the gas giant got its signature look.
An August report from the US Centers for Disease Control and Prevention said that "even a single case of paralytic polio represents a public health emergency in the United States." CNN Medical Analyst Dr. Leana Wen explains why.
Survivors of sexual assault who are treated at emergency departments may be billed thousands of dollars for their care if they are uninsured, a new report finds, and even those with private health insurance have to cover some of the costs out-of-pocket.
Since the beginning of the monkeypox outbreak, scientists and activists have pushed for the name of the virus and the disease to be changed to something "non-discriminatory" and "non-stigmatizing."
One might hope that children's capacity for boredom would be matched by an appetite for all things new -- if only parenting were so easy. Trying new things is difficult for many children, whether a different food, activity or skill. They like what they know, and they know what they like.
The death toll from Covid-19 is "both a profound tragedy and a massive global failure at multiple levels," the Lancet Covid-19 Commission said in a report Wednesday.
Experts say that if we want to collectively help combat the climate crises, we should curb impulse food purchases, understand what 'best by' dates really mean and embrace meal planning and leftovers.
It was a first for actor Ryan Reynolds, who allowed a video crew to capture his colonoscopy screening on camera to raise awareness of the increase in colon cancer diagnoses among people under 50. Colorectal cancer is the third most frequently diagnosed cancer in the United States, according to the American Cancer Society.
Discoveries involving a lab accident, venomous snails and a scientific instrument made from paper are some of the obscure, quirky or convoluted advances honored Wednesday with awards that celebrate research that ultimately had a big, if unexpected, impact on society.
The world has never been in a better position to end the Covid-19 pandemic, Tedros Adhanom Ghebreyesus, director-general of the World Health Organization, said in a news briefing in Geneva on Wednesday.
Taking a daily multivitamin might be associated with improved brain function in older adults, a new study says, and the benefit appears to be greater for those with a history of cardiovascular disease.
In All There Is with Anderson Cooper, the CNN anchor reveals a personal struggle -- part of his life he has rarely talked about before. Cooper began recording the podcast alone while packing up the apartment of his late mother, Gloria Vanderbilt.
Living with chronic back pain is not normal, nor is it necessary. This final article in a four-part back pain series by fitness expert Dana Santas empowers you to create a strategy for maintaining health and an active, pain-free lifestyle.
New monkeypox cases in the United States have been steadily dropping in recent weeks, with cases reported in the first week of September cut to about half of what they were at their peak a month ago.
From studying fossilized skulls, scientists know that the size of a Neanderthal's brain was the same as, if not slightly bigger than, that of a modern human. However, researchers have known little about Neanderthal brain development because soft tissue doesn't preserve well in the fossil record.