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Mars is bright in the summer sky this week. (Credit: NASA / JPL / USGS)

For the next several days, the celestial event calendar includes some stellar highlights for observers in Chicago and around the globe.

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A synthetically fossilized lizard foot created by Field Museum scientists who recently developed a way to simulate key parts of the fossilization process. (Courtesy Field Museum)

Fossils typically take tens of millions of years to develop, but a Chicago scientist recently helped discover a new way to simulate the fossilization process in a lab – in just 24 hours.

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(Courtesy of U.S. Department of Energy Office of Science)

A new report from an environmental advocacy group criticizes Illinois and more than two dozen other states for adopting renewable energy plans that allow for dirty energy sources. 

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Cook County Fisheries biologists Jim Phillips and Steve Silic in the walleye hatchery.

Though not a terribly romantic process, walleye breeding at the Cook County Forest Preserve District produces thousands of young fish for county lakes. We take a closer look.

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(PollyDot / Pixabay)

If you’re not ready to raise chickens in your backyard, you could try your hand at another popular trend: urban beekeeping.

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The latest on a major city infrastructure project that officials say was made necessary because of climate change.

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Renowned paleontologist and University of Chicago graduate Steve Brusatte tells us about his new book, “The Rise and Fall of the Dinosaurs: A New History of a Lost World.”

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The SamurAI sorting robot, manufactured by Canada’s Machinex Technologies. (Courtesy Lakeshore Recycling Systems)

Chicago-based Lakeshore Recycling System is the first company in the U.S. to install a new “self-aware” machine that sorts through recycled materials. 

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(StockSnap / Pixabay)

Next time you step outside to mentally recharge, leave your phone at your desk. A new study finds using electronics outdoors counteracts nature’s restorative properties.

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The Northwestern-built Micro-X rocket will carry a high-powered X-ray device to capture unprecedented images of astronomical objects. (Northwestern University / Instagram)

Scientists are preparing to launch a rocket in New Mexico that’s equipped with a new high-powered device that will capture unprecedented images of astronomical objects. 

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The Gray-Cloud house in 2017. (Courtesy of David Cloud)

A 162-year-old Chicago home rumored to have once been a stop on the Underground Railroad is now the site of an excavation. What archaeologists are hoping to unearth.

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(Courtesy Shedd Aquarium)

In what is an extremely rare occurrence, a male weedy sea dragons recently accepted an egg transfer from a female and is now carrying 46 fertile eggs on his tail.

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This computer-generated image depicts part of Mars at the boundary between darkness and daylight. (Credit: NASA/JPL-Caltech)

Later this month, the red planet will be just 35.8 million miles away – the brightest and closest it’s been to Earth since 2003.

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The foot from a 3.3 million-year-old child skeleton discovered in 2002 in Ethiopia by University of Chicago professor Zeresenay Alemseged. (Zeresenay Alemseged / University of Chicago)

New analysis of a child’s foot from an ancient fossil shows that human ancestors had adaptations that allowed them to climb trees, similar to their apelike cousins.

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Commander Colonel Frank Borman leads the way as he, Command Module Pilot Captain James A Lovell Jr., and Lunar Module Pilot Major William A. Anders head to the launch pad for humanity’s maiden voyage around the moon and its first aboard the Saturn V vehicle, developed by NASA’s Marshall Space Flight Center in Huntsville, Ala. (Image credit: NASA)

The Apollo 8 astronauts reunite in Chicago as a new book by local author Robert Kurson celebrates the historic first human flight to the moon.

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Northwestern's Paul CaraDonna studied the impact of increased temperatures on mason bees. (Jack Dykinga / Northwestern University)

Slight increases in temperature could lead to the extinction of bees in southwestern states in the near future, according to a new study from Northwestern University and the Chicago Botanic Garden.

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