Getting a flu shot every year is an important way to protect yourself and those around you — even if the vaccine isn’t 100 percent effective.
A new video shows narwhals using their tusks to tap fish before eating them. They might be stunning their prey — or just playing with their food.
Scientists have found a wide range of life deep below Earth’s surface. The discoveries could help inform our search for life on other planets.
Shape and other features help germ-killing drugs make it through barriers to enter bacteria. Knowing how they do this could lead to more and better better antibiotics.
Future investigators may identify criminals by the microbes they leave behind or by using DNA-like evidence from strands of their hair.
Lionfish damage coral reefs in the Atlantic Ocean. A new underwater robot hunts, stuns and captures the bullies with help from a human operator.
New studies show how tiny bits of air pollution, called particulate matter, can lead to health problems ranging from chronic runny noses to heart disease.