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The dark matter distribution observed by the Hubble Space Telescope (left) and by the James Webb Space...

Menstrual pads can non-invasively collect information on a woman’s fertility Shutterstock/Connect world An at-home test built into...

What separates a good idea from a bad one? It isn’t always easy to tell. Take the...

Regular sauna sessions can have physical benefits, but what does heat therapy to your brain? gpointstudio/Getty Images...

Solar geoengineering could save the ice sheets – but stopping it could be catastrophic Martin Zwick/REDA/Universal Images...

In the first decade of the 21st century, most scientists and policy-makers were focused on 2°C as being the highest...

Feedback is New Scientist’s popular sideways look at the latest science and technology news. You can submit...

The lunar X, seen from Tokyo in February 2025 The Yomiuri Shimbun via AP Images/Alamy The first...

Mars has a surprisingly large influence on Earth’s climate NASA/JPL/Malin Space Science Systems Compared with Earth, Mars...