New analysis of black hole reveals a wobbling shadow

In 2019, the Event Horizon Telescope Collaboration delivered the first image of a black hole, revealing M87*—the supermassive object in the center of the M87 galaxy. The team has now used the lessons learned last year to ...

Liquid crystals create easy-to-read, color-changing sensors

Chameleons are famous for their color-changing abilities. Depending on their body temperature or mood, their nervous system directs skin tissue that contains nanocrystals to expand or contract, changing how the nanocrystals ...

Ancient DNA from Sardinia reveals 6,000 years of genetic history

A new study of the genetic history of Sardinia, a Mediterranean island off the western coast of Italy, tells how genetic ancestry on the island was relatively stable through the end of the Bronze Age, even as mainland Europe ...

Why some planets eat their own skies

For many years, for all we knew, our solar system was alone in the universe. Then better telescopes began to reveal a treasure trove of planets circling distant stars.

Scientists invent method to create olefins

Olefins are one of those molecule types that most people don't recognize, but which appear everywhere: in bottles, in medicines, in wetsuits and in tires. Now, University of Chicago chemists have discovered an efficient method ...

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