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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

An international team of astronomers observed a sudden outburst of matter near the supermassive black hole NGC 3783 at speeds reaching up to 20% of the speed of light. During a ten-day observation, mainly with the XRISM space telescope, the researchers witnessed its formation and acceleration. Scientists often find that these outbursts are powered by strong radiation, but this time the most likely cause is a sudden change in the magnetic field, similar to bursts on the Sun that cause solar flares.

This Changes Everything columnist Annalee Newitz on how AI-generated content went mainstream in 2025

This Changes Everything columnist Annalee Newitz on how AI-generated content went mainstream in 2025

Biologists poured cold water on Colossal Biosciences’ claim to have brought the dire wolf back from extinction, and some worry the overblown headlines will undermine conservation work

Field Notes From Space-Time columnist Chanda Prescod-Weinstein on how comets grabbed the headlines in 2025

Field Notes From Space-Time columnist Chanda Prescod-Weinstein on how comets grabbed the headlines in 2025

The Trump administration has targeted everything from public health to space missions for funding cuts, bringing an end to the longstanding US policy of scientific pursuits as a path towards progress and economic prosperity

The Trump administration has targeted everything from public health to space missions for funding cuts, bringing an end to the longstanding US policy of scientific pursuits as a path towards progress and economic prosperity

A bizarre Christmas dinner invitation, some mysterious carol singers and even a spot of charades. Can you solve all 12 of our unique festive riddles?

We knew that GLP-1 drugs like Ozempic and Wegovy did more than just help control type 2 diabetes and aid weight loss, but the extent of that potential really came to light in 2025

We knew that GLP-1 drugs like Ozempic and Wegovy did more than just help control type 2 diabetes and aid weight loss, but the extent of that potential really came to light in 2025

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today? 

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today? 

Scientist and photographer Felice Frankel has zoomed in on everyday occurrences with her camera for her new book, Phenomenal Moments, which reveals the hidden science in our daily lives

Scientist and photographer Felice Frankel has zoomed in on everyday occurrences with her camera for her new book, Phenomenal Moments, which reveals the hidden science in our daily lives

Neuroscience columnist Helen Thomson on how she discovered a host of evidence-based ways to keep her brain healthier in 2026

Feedback has spent some time sifting through 2025's key scientific achievements to come up with a range of weird and wonderful (and less wonderful) winners for our inaugural Backsies awards

Neuroscience columnist Helen Thomson on how she discovered a host of evidence-based ways to keep her brain healthier in 2026

Feedback has spent some time sifting through 2025's key scientific achievements to come up with a range of weird and wonderful (and less wonderful) winners for our inaugural Backsies awards