The Clean Air Act has saved millions of lives, but the EPA will stop calculating those benefits for at least some proposed ...

Horses that were presented with cotton pads soaked in a scared human’s sweat showed more signs of fear themselves ...

The Trump administration has reportedly slashed federal funding for mental health and addition programs, a move that experts ...

Scientists have sequenced the genome of the long-extinct woolly rhinoceros from remains found in the stomach of a naturally ...

The U.S. space agency and the Department of Energy will work together to build a fission reactor on the lunar surface in the ...

Does string theory—the controversial “theory of everything” from physics—tell us anything about consciousness and the human ...

Lee Lotor is an independent artist, based in the western U.S., who creates digital art inspired by native North American ...

Robert F. Kennedy, Jr.’s Centers for Disease Control and Prevention has slashed childhood vaccine recommendations in the ...

Marta Hill is the spring 2026 multimedia intern at Scientific American. Her work has appeared in Smithsonian Magazine, The Transmitter, Eos and elsewhere.

Global warming surpassed 1.5 degrees Celsius for the past three years, meaning Earth is currently on track to breach the ...

I’ve been a Scientific American subscriber since I was 12 years old, and it helped shape the way I look at the world. SciAm ...

The skyrocketing electricity demands of AI data centers—and a cold snap—are driving up America’s emissions after years of ...