First observed in the early 1800s, the Helix Nebula has become one of the most recognizable planetary nebulas in the
Menstrual pads can non-invasively collect information on a woman’s fertility Shutterstock/Connect world An at-home test built into a menstrual pad
Solar geoengineering could save the ice sheets – but stopping it could be catastrophic Martin Zwick/REDA/Universal Images Group via Getty
One of astronomy’s longest standing puzzles has been understanding how black holes grew so large in such a short span
Feedback is New Scientist’s popular sideways look at the latest science and technology news. You can submit items you believe
What separates a good idea from a bad one? It isn’t always easy to tell. Take the invention of vaccination,
Regular sauna sessions can have physical benefits, but what does heat therapy to your brain? gpointstudio/Getty Images I’m already a
The lunar X, seen from Tokyo in February 2025 The Yomiuri Shimbun via AP Images/Alamy The first time I took
Mars has a surprisingly large influence on Earth’s climate NASA/JPL/Malin Space Science Systems Compared with Earth, Mars is tiny, yet
Alzheimer’s disease is known for one devastating effect above all others. It steadily destroys brain cells and the connections between