Sign up today for a weekly math essay and puzzle in your email inbox. Last week we discussed the best way to divvy up a pizza ...

After attempts at relocation and sterilization have failed, invasive hippos introduced by the infamous drug lord will be ...

This week East Coast states will see unusually hot days, with temperatures in some major cities reaching as high as the 90s ...

Immune system overreactions may be the true culprit of cardiac illness—and lifesaving drugs can calm them down ...

Biologists are racing to save America’s freshwater mussels—the water-filtering keystone species that once filled the ...

A New York State cemetery may be home to nearly 5.6 million ground-nesting bees, according to a new study. The colony is one ...

Binoculars and other far-range optics span a gamut of price points. Here’s what separates top-tier from entry-level ...

As rich ore gets harder to find, the mining industry is using subatomic particles to map rock deep underground ...

As watches have become more complicated (yes, in the world of timepieces that could require a mortgage to purchase, it pays ...

For 300 years explorers and naturalists have reported another kind of firefly behavior, seen in the region stretching from ...

An impossible object is something that looks realistic when drawn but can’t exist in real life. Dutch artist M. C. Escher is ...

In describing the same machine that is pictured on the front cover of the January issue, Guarino’s article says, “The ...