Explore Scientific American’s most fascinating magazine covers ...

In fact, only three factors can be used to define a black hole: its mass, its angular momentum and its electric charge. In ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

About nine million years ago, a hybridization involving the lineage of another farmers market star gave rise to the ...

Russia’s magnitude 8.8 earthquake spawned serious tsunami warnings, but waves have been moderate so far. Here’s the ...

The Trump administration is releasing its proposal to undo the “endangerment finding,” the long-standing rationale and legal ...

The sneezing, itchy eyes and coughing elicited by some allergens are caused by proteins creating holes in airway cells, ...

Heat domes occur when a high-pressure mass of air traps heat in place. “Essentially, it’s a cap on the atmosphere that ...

A vector ecologist explains the complexities of tracking tick-borne diseases like Lyme in a climate-changed world ...

The immediate harms of extreme heat are well documented, but a growing body of research suggests that heatstroke may have ...

One of the world's largest and most diverse collections of amanitas—the group of fungi that includes death caps, destroying angels and the polka-dotted mushrooms of Super Mario renown—is kept ...

Physicists superheated gold to 14 times its melting point, disproving a long-standing prediction about the temperature limits ...