A sweeping new definition of long COVID could help affected people get recognition of their condition and improve diagnosis and treatment. The U.S. National Academies of Sciences, Engineering and ...

COVID-19 vaccination has been the subject of immense scrutiny and misinformation since the vaccines were first administered in the U.S. nearly four years ago. In the first year alone, it is estimated ...

When news breaks, you need to understand what actually matters. At Vox, our mission is to help you make sense of the world — and that work has never been more vital. But we can’t do it on our own. We ...

While many people can point to a picture of Jupiter or Saturn and call it a "planet," the definition of this word is much more subtle and has changed over time. Many astronomers decided on a new ...

People often feel that they can intuitively recognize whether something is alive, but nature is filled with entities that flout easy categorization as life or non-life — and the challenge may ...