North American cicadas have life cycles that last for prime numbers of years. Why 13 or 17 years? Why not 12, 14, 15 or 16?

The cicada life cycle has three stages: eggs, nymphs, and adults. Female cicadas can lay up to 400 eggs divided among dozens of sites—generally in twigs and branches. After six to 10 weeks ...

ROCK COUNTY, Wis. (WMTV) - A cicada presentation Thursday highlighted the life cycle and ecology of the little critters as they continue to ring out across parts of southern Wisconsin. The event ...

Love or hate 'em, cicadas took over Middle Tennessee last summer. They were loud, even scary to some, but they're also great ...

The numbers 13 and 17 are also prime numbers, and so-called “periodical” cicadas have life cycles of exactly 13 or 17 years. This year, trillions of those creatures are emerging in various U.S ...

Adding a key element, Health & Science video journalist Kathy Young and Ritzel joined forces to produce an animated video explainer on the life cycle of cicadas. The animation, guest-narrated by Allen ...

The 17-year and 13-year periodical cicadas returned to the Chicago area this year, and I became the Sun-Times' de facto ...

Years of ongoing hot weather may also play a role in the insect’s life cycle, as warmer conditions can lead to shorter lifespans in adult cicadas. “It is possible that we’re getting multiple ...