Scientific American Magazine

Deep oceans were thought to hold life’s origins. New evidence points instead to an active volcanic landscape

What the demise of a small Mexican porpoise tells us about extinction in the 21st century

A remarkably complete skeleton and, at last, an age for mysterious Homo naledi

Studies show that school vouchers lead to lower math and reading scores. So why has the Trump administration embraced them?

The first total solar eclipse to cross the U.S. from coast to coast in 99 years is not only a must-see spectacle but also a valuable scientific opportunity

Opportunities abound to watch the sun disappear if you live long and travel

To avert a future famine, scientists are manipulating the complex conversation that plants have with microbes, pests and other elements of the phytobiome

Studies of the conversations people have with themselves open a window on the hidden workings of the mind