The common use of "tentative" is generally regarded as a negative adjective, roughly synonymous with indecisive. In contrast, it's widely considered to be a strength of science. A major legal decision ...

In 2008, the National Academy of Sciences put forth a textbook-ish definition of "science": "The use of evidence to construct testable explanations and predictions of natural phenomena, as well as the ...

Carl Sagan famously defined science by saying, “Science, more than a body of knowledge, is a way of thinking.” How do you define science? Whether your definition is borrowed from someone else or one ...

We are at a critical time and supporting science journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen scientific ...

It depends what you mean by "planet." Last week, the Harvard-Smithsonian Center for Astrophysics revisited the perennial debate over how to define a planet—and whether icy little Pluto qualifies.