After photos showed President Donald Trump with swollen ankles and bruised hands, the White House revealed he has chronic ...

There’s a new milky blue pool in Yellowstone National Park.

Neuroscientists have found that the brain can wake up in different ways, explaining why some mornings feel like a dream and ...

Long-awaited results of a three-person IVF technique suggest that mitochondrial donation can prevent babies from inheriting ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

To celebrate Scientific American ’s 180th anniversary, we’re publishing a jigsaw every weekday to show off some of our most ...

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