Hopes for an easing of the pandemic were dealt a major setback over the Thanksgiving weekend, with news that a variant first spotted in southern Africa carries a multiplicity of mutations that might make it resistant to...

Worried about climate change? You can do something about it every time you lift your fork, a new study suggests. Folks can reduce their personal carbon footprint by eating less red meat, nibbling fewer sweets and cutting...

As concerns about the new Omicron variant grow, vaccine makers say they’re already working on ways to protect people against the potential new threat. Pfizer said it and its partner BioNTech could develop and produce a “tailor-made...

What experts know about the Omicron variant. After news broke on Thursday that a fast-spreading variant contained mutations that possibly make it resistant to vaccines, scientists urged caution and patience until more data arrives. Read moreRead more...

Merck’s experimental COVID-19 antiviral pill appears effective, but may pose risks for pregnant women, including birth defects and toxicity to developing fetuses, according to the U.S. Food and Drug Administration. On Friday morning Merck announced updated results...

Extreme heat brings a jump in emergency room visits by adults of all ages, a new study shows. While it’s well known that extreme heat puts adults aged 65 and older at increased risk of hospitalization and...

A weekly dose of deep red light in the morning may protect fading eyesight as people age, U.K. researchers say. “Using a simple LED device once a week recharges the energy system that has declined in the...

A defect in the blood-brain barrier may play a role in Parkinson’s disease, a groundbreaking research study suggests. The blood-brain barrier acts as a filter to keep out toxins while still allowing the passage of nutrients to...

Singing in a choir may be good for your soul, but it can also spread COVID-19 far more easily than conversation does. A new study also found that the louder and person sings or talks, the more...

NBA great Michael Jordan had a special ritual he would follow before every free throw: He would assume a shoulder-width stance, spin the basketball in his hands, bounce the ball three times, and then spin the ball...