The National Weather Service issued timely alerts, meteorologists say, but few were listening in the hours before the ...

Brain differences in children and teens who experiment with drugs early show up before they take their first puff or sip ...

Flash floods happen when heavy rains unleash more water than the ground can absorb, causing that water to pile up and flow to ...

Chemical fingerprints from volcanic rock offer hints of what’s happening in the mantle below the area where three rift zones ...

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