The White House’s budget plan for NASA would be woefully inadequate for achieving near-term human voyages to Mars, experts ...

Earth’s tilt is what causes the seasons; in the summer, when our planet’s pole is tipped toward the sun, the days are longer, ...

Science communicator Hank Green explains how our species’ unique intelligence got us into this climate mess—and how it will ...

Layoffs and funding freezes have gutted the CDC’s response to the opioid crisis—just as harm reduction was beginning to work ...

Nearly 600 employees left the National Weather Service or were fired in recent months. Meteorologists say 125 expected new ...

Scientists have captured the first videos of wild roundworms forming living, wriggling towers that behave as one big superorganism ...

White House Budget Plan Would Devastate U.S. Space Science Scientists are rallying to reverse ruinous proposed cuts to both ...

A 40-year-old conjecture on shapes’ cross sections is finally proven ...

Surveys show that how nuclear strike options are presented strongly influences the decision a president may make ...

The velvet worm, a squishy little predator that looks like the stretch-limo version of a caterpillar, has a whimsical MO: it ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. About 317 billion times per year members of the U.S. public check the weather on their phones, TVs or some other source.

NASA has quietly taken steps to prepare for a death in space. We need to ask how nations will deal with this inevitability ...