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(Courtesy of Nenad Spasojevic)

The National Weather Service has issued a winter storm watch Saturday for a storm system that could bring up to 8 inches of snow to the Chicago area.

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This image made from a composite of September 2003 - January 2004 photos captured by the NASA/ESA Hubble Space Telescope shows nearly 10,000 galaxies in the deepest visible-light image of the cosmos, cutting across billions of light-years. (NASA, ESA, S. Beckwith (STScI), HUDF Team via AP)

In research released on Friday, Nobel winning astronomer Adam Riess calculates the cosmos is between 12.5 and 13.0 billion years old - about 1 billion years younger than previous estimates.

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(StockSnap / Pixabay)

With more and more alternatives to cable television, is it time for you to cut the cord?

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A Fowler’s toad (Courtesy Peggy Notebaert Nature Museum)

By tracking the types, frequency and intensity of frog mating calls, experts hope to gauge the success of conservation efforts in an area commonly referred to as the city’s dumping ground. 

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(Rich Bamford / Flickr)

Would you forgo your privacy for more effective technology? Owners of voice-activated home devices may need to start asking themselves that question.

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Scales in spades: See more than 200 species this weekend at ReptileFest. (Pexels / Pixabay)

We get up close and personal with some cold-blooded creatures ahead of the nation’s largest educational reptile show.

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Identical twin brothers retired astronaut Mark Kelly, left, and Scott Kelly (Robert Markowitz / NASA)

A groundbreaking study concludes that human health can be “mostly sustained” for a year in space, a key finding that figures to help NASA with its mission of sending humans to Mars within two decades.

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This image released Wednesday, April 10, 2019, by Event Horizon Telescope shows a black hole. Scientists revealed the first image ever made of a black hole after assembling data gathered by a network of radio telescopes around the world. (Event Horizon Telescope Collaboration / Maunakea Observatories via AP)

Ever since Einstein’s theory of relativity first predicted them, black holes have captured the imagination of the public and scientists alike. We speak with two local astrophysicists about this scientific breakthrough.

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Sometimes the best thing for a forest or prairie is to burn it. We spend a day with a Cook County burn crew.  

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(Courtesy of Neil Shubin)

Renowned University of Chicago paleontologist Neil Shubin recently returned from an expedition to search for fossils in Antarctica. He tells us about his trip.

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(Pexels / Pixabay)

The city’s gleaming skyline and its position along a busy migratory corridor make it the most dangerous in the U.S. for birds traveling north and south each fall and spring, a new study finds.

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The Field Museum’s new pop-up “Dig Site” (333 N. Michigan Ave.) aims to replicate a location where paleontologists might search for fossils. (Courtesy The Field Museum)

After teasing social media by announcing the discovery of “unprecedented” dinosaur fossils under a Michigan Avenue storefront, the Field Museum unveiled a new pop-up exhibit that replicates a “dig site” where paleontologists search for fossils. 

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(U.S. Air Force photo by Tech. Sgt. Bennie J. Davis III)

Each year, Chicago Animal Care and Control takes in more than 3,000 stray dogs and 3,000 stray cats on average, but only a fraction of them are reunited with their owners. How a new app could help link lost pets with their owners.

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(Matt Madd / Flickr)

The diets of white Americans contribute to climate change more than the eating habits of African and Latino Americans, according to a new report by a group of Chicago researchers.

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(rawpixel / Pixabay)

While the Social Security Administration may contact people by phone, employees will never threaten a person or a promise Social Security benefit approval in exchange for information, according to the agency.

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A view of the Great Lakes from space. (U.S. Environmental Protection Agency / Flickr)

A first-of-its-kind report shows how climate change is threatening the Great Lakes, and how their ongoing transformation figures to impact the entire region.

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