"Play isn’t just a frivolous pastime for children. It’s a powerful, even essential, tool for healing," writes Cas Holman.

The Sentinel Mission sends a underwater glider named Redwing on an around the world trip gathering ocean data and also ...

As Christmas approaches, people doing online shopping have been advised to exercise caution before clicking the 'buy' button.

Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a ...

More than 2,700 “No Kings” rallies were due to be held in all 50 states in what is thought to be the largest mobilization against the Trump Administration over the president's two terms.

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

Of Harvard’s schools, HSPH has been by far the most reliant on government grants—and so was the hardest hit by the Trump ...

We recently published our special issue on what we’re calling the “Gender Revolution.” Humanity’s understandings of ...

Kate Adamala started work on a cell in which the natural molecular structure is reversed. Then a possible doomsday scenario became clear.