The New York Times

Systems in the brains of male and female songbirds are well-developed and finely tuned, but the wiring is different.

Behind the frog’s surprisingly sophisticated number sense, scientists have found, are specialized cells located in the amphibian midbrain that tally up sound signals and the intervals between them.

Elon Musk’s SpaceX company launched the world’s most powerful rocket, with a Tesla sports car as payload, into space. His ultimate goal is to send people to Mars.

Babies born during the Dutch Hunger Winter became adults with higher rates of health problems. Now researchers may have found the genetic switches that made it happen.

Researchers in Germany have developed a robot that is about a seventh of an inch long and looks at first like no more than a tiny strip of something rubbery. […]

For many mammals, a busy social life can be an important contributor to a long life. But some animals need more alone time than others, and failure to get it […]

While most people go to a garden if they want to see a butterfly’s scales in action, Timo van Eldijk’s search for wing scales required drilling more than a thousand […]

Caenorhabditis briggsae lost thousands of genes — a staggering quarter of its genome — since it diverged from Caenorhabditis nigoni a million years ago.

The first hard data on fake-news consumption has arrived