Some stars streaking through the Milky Way at millions of kilometers per hour probably trace back to a supermassive black ...

The White House’s $175-billion plan to protect the U.S. from nuclear annihilation will probably cost much more—and deliver ...

Trump has not acted on 17 disaster requests, a high number for this time of year, according to a FEMA daily report released ...

As bird flu sweeps across US poultry and cattle farms, researchers are racing to find ways to contain the outbreaks before ...

A new study suggests blood and urine samples could provide an objective measure of diets and help unravel their connections ...

Scientific American spoke with the astronomer who has contributed to the discovery of two thirds of Saturn’s known moons ...

Drugs that target wakefulness, molecules in cannabis and wearable devices that modulate brain activity could help people with ...

In biology classes from high school through university, I learned that mitochondria are little objects that reside within ...

But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

Sunshine may hold healing rays for a variety of autoimmune diseases such as multiple sclerosis. Scientists are turning this ...

Vitamin D supplements may help prevent the loss of telomeres, DNA sequences that shrink with aging, a large study shows. But ...

A quantum computer has used a single atom to model the complex dynamics of organic molecules interacting with light ...