Early Monday morning, the North Branch Chicago River gauge at Pulaski Road showed the waterway at 17.87 feet, inches away from the river's "minor" flood level at 18 feet, according to National Weather Service data.

The electronics company is collaborating with the university to produce the FlexVent, a gas-operated ventilator “based on the Illinois RapidVent concept” that was developed in response to COVID-19.

The dandelion — a once-prized plant that gardeners used to exhibit at county fairs — now holds the title of Public Lawn Enemy No. 1. But is this reputation deserved?

The bridge, which spans the Chicago River at Michigan Avenue, paved the way for development of Chicago’s Magnificent Mile. Tune in at 7 p.m. Thursday to celebrate its past and present.

The organization had to cancel its Chicago River Day cleanup due to the coronavirus. Instead of bringing thousands of volunteers together for a one-day event, the new Summer Challenge encourages people to pick up litter in their neighborhoods.

Dave Odd, a professional forager in Chicago, says the COVID-19 pandemic is shaking up how we obtain food and will perhaps force people to pick their own. We go for a look at edible plants in Gompers Park.

This weekend, people around the world will report their bird sightings as part of a massive citizen-science project. Here’s how it works.

Since the city shut down lakefront parks and other public spaces in March, there have been calls for more open spaces. But some advocates say that push overlooks the priorities of communities of color, which have been hardest hit by the coronavirus. 

The African painted dog was born in January and still needs a name. Brookfield Zoo has four options, with voting open to the public through May 20.

There hasn’t been a lot to get excited about in 2020, but one bright spot has been the moon, specifically the string of supermoons we’ve enjoyed this spring. 

The world’s largest hornet, a 2-inch killer dubbed the “Murder Hornet” with an appetite for honey bees, has been found in Washington state, where entomologists were making plans to wipe it out.

With coronavirus restrictions dragging on, interest in bird-watching has soared as bored Americans notice a fascinating world just outside their windows. 

With fewer humans out and about during the coronavirus pandemic, Canada geese are more relaxed during this spring’s nesting season, according to researchers at Ball State University. 

Star Farm in Back of the Yards makes up for in ambition what it lacks in size. Founder Stephanie Dunn’s mission is to use urban agriculture as the means of creating a healthier, more resilient community. 

No pandemic silver lining here, but the good news is that healthier ozone levels mean an uncommonly strong and stubborn polar vortex is finally loosening its grip.

We’ve had a string of wet days, which stresses Chicago's combined sewer system. Here are conservation tips to minimize the chance of an overflow.