Just as people often yawn or scratch themselves when they see someone else do so, for chimpanzees, peeing is contagious ...

But in a new study, researchers used machine learning to overcome the limitations of a promising type of chemical sensor, ...

Instead of using the controversial body mass index, or BMI, to assess weight, an international group of scientists proposes ...

A new study shows that large language models make trade-offs to avoid pain, with possible implications for future AI welfare ...

Wildfires are storming into urban areas more frequently, and toxins in homes and cars are increasing cancer risk for ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

There are 50 to 100 expected executive orders on Trump’s first day in office. Many will focus on boosting fossil fuels and ...

Wildfires like the Los Angeles blazes destroy so much, but they often spare some evidence of the cause of their ignition ...

The Food and Drug Administration has banned the use of the dye Red No. 3 in all food and ingested drugs. Here’s what foods ...

The heavy-lift New Glenn rocket soared to success, reaching orbit on its highly anticipated inaugural flight but failing to ...

Supreme Court arguments over trans health care makes plain how badly we need personalized health care in all of medicine ...

In reaction to—or protest over—the impending U.S. TikTok ban, which will take effect on Sunday if the app is not sold or if ...