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Solar geoengineering aims to manipulate the climate by bouncing sunlight back into space. In theory, it could ease global warming. But as interest in the idea grows, so do concerns about potential consequences. A startup called Stardust Solutions

Billionaire-headed machines lampoon tech power and the way our images quietly become fuel for AI

In a new study, women diagnosed with these common growths had a more than 80 percent higher risk of developing heart disease over a 10-year period than their peers did

A new study identifies a mechanism for how COVID vaccines may, in infrequent cases, drive heart inflammation, a condition that can be caused by the disease itself

NASA’s MAVEN spacecraft didn’t phone home as expected on December 6

French health officials are trying to trace all the contacts of two men who contracted MERS, a potentially lethal disease that is typically confined to the Middle East

Making fire on demand was a milestone in the lives of our early ancestors. But the question of when that skill first arose has been difficult for scientists to pin down

In this exclusive subscriber-only eBook, you’ll learn about a new method that scientists have uncovered to look at the ways our bodies are aging. by  Jessica Hamzelou October 14, 2025 Table of Contents: Related Stories: Access all subscriber-only

An idea about the sun’s magnetic field called the terminator model could help predict dangerous space weather more accurately

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. How one controversial startup hopes to cool the planet Stardust Solutions believes that it can solve climate