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Bell Bowl Prairie, a high-quality remnant of Illinois prairie, located within the boundary of Chicago Rockford International Airport. (Courtesy of Cassi Saari)

The Natural Land Institute filed suit Wednesday in U.S. District Court to stop the Greater Rockford Airport Authority from tearing up the 8,000-year-old Bell Bowl Prairie as part of an airport expansion project.

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Grubs have laid waste to Welles Park, making it hard to tell where ball diamonds' infields end and outfields begin. (Patty Wetli / WTTW News)

Treatment by the Chicago Park District of a grub infestation, which laid waste to a third of Welles Park’s 15 acres, will shut down the affected area to all activity for months, and spring sports are in jeopardy.

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(Kaique Rocha / Pexels)

Mother Nature is throwing the kitchen sink at Chicago, weather-wise, to kick off the work week.

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FILE - In this Oct. 12, 2021 file photo, Hadrien Gurnel, software engineer EPFL's Laboratory for Experimental Museology (eM+) explores with a virtual reality helmet the most detailed 3D map of the universe with the virtual reality software VIRUP, Virtual Reality Universe Project developed by Swiss Federal Institute of Technology, in St-Sulpice near Lausanne, Switzerland. (Laurent Gillieron / Keystone via AP)

The metaverse is the latest buzzword to capture the tech industry’s imagination. Facebook is hiring thousands of engineers in Europe to work on it, while video game companies are outlining their long-term visions for what some consider the next big thing online.

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A piping plover. (Cadop / Pixabay)

One of Monty and Rose’s grand-chicks, which hatched this summer in Ohio, never migrated south. The plover will spend the winter being cared for at the Detroit Zoo.

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An infestation of beetle grubs has decimated a huge swath of Welles Park in Lincoln Square. (Patty Wetli / WTTW News)

A freak grub infestation has laid waste to roughly one-third of Welles Park’s 15 acres in Lincoln Square. The scope of the destruction — which the Chicago Park District is working to address — is so out of the ordinary, even experts say they’re stunned.

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Construction on the Rockford Airport cargo expansion has come right to the edge of Bell Bowl Prairie. (Courtesy of Cassi Saari)

Supporters of the movement to save Bell Bowl Prairie, a small patch of rare remnant prairie situated within the boundaries of Chicago Rockford International Airport, say they have a simple solution that preserves the prairie and allows the airport to expand: Just move a road.

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Joe Guzman and his organization Chicago Astronomer host free skygazing events all over the city to connect people to the cosmos. (WTTW News)

Chicago at night is a dazzling sight — but the skyline and streetlamps that light up our evenings also make it harder to see the natural wonders of the night sky. Still, Chicago Astronomer founder Joe Guzman, better known as Astro Joe, says there’s plenty to see — you just need to know how to look.

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Ruth Campos works as a burn crew member and she wants more women – especially women of color to join her. (Courtesy The Nature Conservancy)

Ruth Campos works as a burn crew member. She uses controlled burns to restore life to landscapes. In the last year, she has traveled to Minnesota and California to help battle wildfires, and she wants more women – especially women of color to join her.

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A United Launch Alliance Atlas V rocket carrying the LUCY spacecraft lifts off from Launch Complex 41 at the Cape Canaveral Space Force Station, Saturday, Oct. 16, 2021, in Cape Canaveral, Fla. Lucy, will observe Trojan asteroids, a unique family of asteroids that orbit the sun in front of and behind Jupiter. (AP Photo / John Raoux)

An Atlas V rocket blasted off before dawn, sending Lucy on a roundabout journey spanning nearly 4 billion miles. Researchers grew emotional describing the successful launch — lead scientist Hal Levison said it was like witnessing the birth of a child. “Go Lucy!” he urged.

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Green trees along the North Branch of the Chicago River, Oct. 14, 2021. (Patty Wetli / WTTW News)

Sunny days and cool nights are the key to brilliant fall foliage. If the weather cooperates, expect things to take a turn for the colorful as Chicago’s trees hit their peak within the next two weeks.

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Several communities have raised funds to treat their neighborhood ash trees. (Patty Wetli / WTTW News)

During Thursday’s City Council meeting, alderpeople introduced a resolution calling for the Department of Streets and Sanitation to reinstate treatment of the city’s remaining parkway ash trees — numbering close to 50,000 — and also develop a systematic program for removing and replacing infested trees.

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This undated photo made available by Blue Origin in October 2021 shows, from left, Chris Boshuizen, William Shatner, Audrey Powers and Glen de Vries. Their launch scheduled for Wednesday, Oct. 13, 2021 will be Blue Origin’s second passenger flight, using the same capsule and rocket that Jeff Bezos used for his own trip three months earlier. (Blue Origin via AP)

William Shatner, 90, became the oldest person in space, eclipsing the previous record — set by a passenger on a similar jaunt on a Jeff Bezos spaceship in July — by eight years.

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Illustration of the DART spacecraft with the Roll Out Solar Arrays (ROSA) extended. Each of the two ROSA arrays in 8.6 meters by 2.3 meters. (Credit: NASA)

A NASA mission to deflect an asteroid – it’s been the premise for more than one Hollywood movie – but next month NASA launches its DART mission that aims to do it for real.

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In this Sept. 24, 2019, file photo, a woman walks below a Google sign on the campus in Mountain View, Calif. (AP Photo / Jeff Chiu, File)

Google is cracking down on digital ads promoting false climate change claims or being used to make money from such content, hoping to limit revenue for climate change deniers and stop the spread of misinformation on its platforms.

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Buckingham Fountain in Grant Park. (David Mark / Pixabay)

Debris from houses, shops and offices had to go somewhere. The rubble was dumped off the lakefront east of Michigan Avenue, and if that sounds like the location of Grant Park, it is.