A gum disease bacterium may contribute to aortic valve calcification through inflammation, according to preliminary human ...

From plague clouds drifting over fishing trawlers to toxic tracers sprayed silently across southern English counties, Porton Down's Cold War secrets were kept from the public for decades. This is the ...

The American experiment continues. We keep on trying. Yet turmoil, division, distrust, confusion and misinformation batter us ...

By Nancy Lapid July 16 (Reuters) - Massive wildfires are raging around the world during unprecedented heatwaves, blanketing millions of people under pungent haze caused by smoke carrying noxious gases ...

Scientists have uncovered evidence that serotonin, the chemical best known for regulating mood, may also speed the ...

Men and women are not born with the same risk of heart disease, and for decades scientists have struggled to explain why. A ...

Maybe you've noticed it happen to you. Scientists are racing to figure out what's going on.

The soul of the Declaration lives in the first two paragraphs, and mostly in two remarkable sentences where Thomas Jefferson ...

After Kathy Griffin seemingly teased a new romance with a 22-year-old, she revealed it was all a "sociological experiment" to ...

A gum disease bacterium emerges as a surprising suspect in a dangerous heart condition, raising alarming new questions for ...

Supporting England is an emotional rollercoaster. There's the nervous anticipation as the national anthem resounds around the ...

(Yana Iskayeva/Moment/Getty Images) We all know that humans have five senses. But a growing body of research shows we have a ...