Neutron stars are the densest objects in the universe, created from massive stars that have collapsed

A virulent strain and mismatched vaccines led to a lethal year for the flu

Devices running Google's mobile platform win praise; but problems still loom for fragmented ecosystem

Francis Collins -- head of the Human Genome Project -- discusses his conversion to evangelical Christianity, why scientists do not need to be atheists, and what C.S. Lewis has to do with it.

Sepsis is one of the most expensive medical conditions in the world. New research clarifies how it can kill cells

By early afternoon in the state’s capital county, every sixth machine had an issue

South Korea’s COVID response has been widely praised. Will Americans ever be willing to adopt a similar approach?

Now, off his "Mission: Impossible" success, he wants to go back to movies he dreamed of making, but never could.

Comet Bernardinelli-Bernstein's nucleus is about 80 miles in diameter — larger than Rhode Island

Dr. Zach Bush went from developing chemotherapy to fighting pesticide-makers

Converting polluted air into clean energy is a huge win-win for public health and environment

Whether four-headed, double-jointed or even 40 times the size of its body, animal genitalia tells a species' story

There may soon be an FDA-approved treatment for the intractable condition

Extinct species like the mammoth had profound effects on our world. We're capable of resurrecting them — should we?

For first time in decades, both war and the Fed have become part of politics again. Is the Cold War finally over?