The smaller the particles, the more worrying they are. Particulate matter measuring 10 micrometers or less in diameter — a fraction of the width of a human hair — is referred to as PM10, and it is ...

The U.S. has one of the world’s most advanced systems to monitor air pollutants. Can it keep up with a changing climate?

The move will likely solidify the foundation’s outsized role in global health, particularly as the United States, the United ...

Millions have been spent to catch plagiarism and AI with tools from education company Turnitin. Is the tech worth it?

As international research projects are upended, European leaders say they will fill the funding void. Is that realistic?

The nature writer Robert Macfarlane probes some profound moral and environmental questions in “Is a River Alive?" ...

New evidence suggests the universe might not behave as expected, raising questions about the costs of being wrong.

Although the evidence is limited, some psychologists are increasingly using ketogenic diets to treat psychiatric disorders.

Critics of Haidt’s take suggest that the evidence is mixed regarding whether increasing levels of teen mental health problems ...