The largest hail tends to form in “supercell” thunderstorms and seems to be becoming more common as climate change continues ...

In biology classes from high school through university, I learned that mitochondria are little objects that reside within ...

Researchers are trying to rebuild sea ice above the Arctic Circle so it can reflect the sun’s warming rays, slowing climate ...

Sunshine may hold healing rays for a variety of autoimmune diseases such as multiple sclerosis. Scientists are turning this ...

But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

This cataclysm would result from a change in the Higgs field, a quantum field that pervades all of space. It would be ...

As the climate warms, hurricanes are becoming more intense, and sea levels are rising. Both of these effects are likely to ...

Newborn pilot whales have been spotted mysteriously swimming among pods of orcas. Scientists are trying to puzzle out how the ...

A workout boosts the fitness of your gut microbiome. This creates molecules that aids your immune system, metabolism, and ...

IMMORDINO-YANG REPLIES: Travis points out a common misunderstanding. My colleagues and I coined “transcendent thinking” to ...

Science can help. Anywhere in the out of doors there is opportunity for real fun with science. In this issue, we describe ...

The June 2025 issue of Scientific American is packed with exciting features, from magnificent mitochondria and a plan to ...