A proposed rule seeks to reverse recent changes to the procedures EPA uses to conduct risk assessments of toxic chemicals.

Have you ever wondered why leaves change color in the fall? Or how the trees know when to start dropping their leaves? Why ...

Find out which countries have the most and least counterfeited currencies, and the measures banks take to stop fake cash ...

Stronger links between researchers who work on Earth’s and other planets’ atmospheres, and between the experimental, ...

Even small amounts of bisphenol A can lead to long-term health effects. When researchers studied adult rats exposed in the ...

Fionna Samuels Fionna Samuels is a physical sciences reporter at C&EN. Fionna joined the DC-based staff in 2024 after ...

Extreme heat forged Earth’s continents billions of years ago, creating the stable foundation that made life possible.

The first beneficiary of this bond funding program will be a new civics education, ROTC and classroom building replacing the 65-year-old Massey Hall.

What if bacteria are conscious? New research suggests all life experiences awareness through unique lenses—and humans can ...

As artificial intelligence continues to grow, so does the need for massive data centers to power it. In early October, the ...