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

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...

Daily Jigsaw Complete a new puzzle every day! A note to our players: As of December 31, 2022, Smithsonianmag.com ceased hosting games from UClick Universal on our site.

The NASA/ESA/CSA James Webb Space Telescope captured an amazing view of the planet Uranus, its rings and moons. Webb's ...

The curious minds at ColdFusion explore how mounting battery waste may determine the future health of our planet.

Scientists have traced a 60-million-year volcanic trail from Iceland to Ireland to a deep mantle plume that shaped the North ...