Two broods of cicadas emerge together every five or six years on average, contrary to online posts claiming this hasn’t ...

Here's a look at some of the biggest stories to make headlines in 2024, including Mayor Brandon Johnson's clashes with the ...

Seth Borenstein, Carolyn Kaster, Marshall Ritzel and Kathy Young teamed up, using creativity, tenacity and multiformat collaboration to bring a fresh perspective to a widely covered natural phenomenon ...

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

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. states, including Illinois. This phenomenon ...

annual cicadas, which are spotted every year, and periodical cicadas, which spend most of their lives underground and only emerge once every decade or two. While annual cicadas can be found ...

It lives underground and emerges every seven to eight years. This year, they're out in full force and in much larger numbers than usual. Red Eye cicadas cluster on a tree in North Sydney.