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Stay informed with commentary and opinion pieces on the latest issues in science, technology, health and the environment, written by expert New Scientist journalists and world-leading researchers and thinkers.

Mind

How ultra-processed foods may damage your long-term brain health

An increasing number of studies have linked ultra-processed foods with depression, anxiety and even dementia. Columnist Helen Thomson explores how strong the evidence is for the brain effects of a diet full of these foods

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Environment

Earth is heating up faster than at any time in its history

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There are only a few anti-ageing supplements that actually work

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Dr Becky Smethurst in front of a milky way reconstruction
Space

We still don’t know how black holes get so big | Becky Smethurst

Video

Technology

The ancient Silk Road city that has a lesson for Silicon Valley

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Everything from cells to stars to particles exists on the edge of chaos

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Mind

Using AI for creative pursuits? Moderation is key

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Spectators shield themselves from the heat with a leaflet ahead of the 2026 World Cup football tournament round of 16 match between Paraguay and France at Philadelphia Stadium in Philadelphia on July 4, 2026. (Photo by MAURO PIMENTEL / AFP via Getty Images)

Environment

It is vital we understand heat and humidity’s differing effects on us

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Physics

Do we owe our existence to weird 鈥榲irtual鈥� particles?

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Humans

How humans evolved to be twice as big as our ancestors

Artistic representations of ancient humans often show large men with bulging muscles 鈥� but our ancestors were actually smaller than us, in both height and body mass. Columnist Michael Marshall reveals surprising details about the short kings of prehistory

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Mathematics

The sneaky maths trick for solving problems without answering them

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Physics

Does time come from the entire universe running computations?

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5 things to know about sunscreen, according to a skin cancer expert

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Beetroot juice is trending 鈥� its benefits go beyond the hype

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