Bits of DNA from mitochondria can skip surprisingly fast into our genome and may reduce lifespan

From the “sleepy girl mocktail” to power naps, researchers explained which sleep trends this year really help with quality shut-eye

Thousands of notoriously difficult problems in computer science are actually the same problem in disguise

A common respiratory virus called human metapneumovirus, or HMPV, has been spreading in some countries in Asia, including China, India, Malaysia and Kazakhstan. Here’s what we know

As the bird flu virus moved into cows and people, sluggish federal action, deference to industry and neglect for worker safety put the country at risk

“Propaganda works” is the real upshot of a survey showing lingering postpandemic distrust of science