The heart and kidneys appear to have little in common—except when they go wrong. Between 40 and 50 percent of people with ...

A machine-learning algorithm spotted signs of “covert consciousness” in coma patients—in some cases, days before doctors ...

Hundreds of thousands of people are at risk of losing homes, businesses—and lives—as giant “gullies” expand into cities across Africa ...

Genetic and anatomical data reveal how the human pelvis acquired its unique shape, enabling our ancestors to walk on two legs ...

Scientific American spoke with experts about what the public can expect in terms of COVID vaccines this fall.

AI can transfer strange qualities through seemingly unrelated training—from a love of owls to something more dangerous ...

The EPA fired five agency employees who signed a June declaration decrying moves that contradict science and undermine public health, alongside four more served removal notices ...

Early on, Nedergaard and Iliff, a glial cell biologist and a vascular physiologist, respectively, hypothesized that waste ...

This new “connectome” could bring researchers one step closer to understanding how nerves connect to organs throughout the ...

Steep population declines in most countries are expected to have negative effects over the next several generations, but ...

What Happens When an Entire Generation of Scientists Changes Its Mind I f there is a beginning time point for the Age of ...

Surgeons think the first transplantation of a pig lung in a human is an exciting step forward for the field, but many questions remain open ...