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The moon and Venus are in conjunction, as seen in this image from 2015. (Tuchodi / Flickr)

The young crescent moon and the blazingly bright planet are in conjunction. Look to the western sky shortly after sunset Friday to see for yourself.

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(Normanack / Flickr)

A family friendly expo Saturday offers workshops, a resource fair and more for those curious about raising livestock in the city.

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The Very Large Array (VLA) is a collection of 27 radio antennas located at the NRAO site in Socorro, New Mexico. Each antenna in the array measures 82 feet in diameter and weighs about 230 tons. (Photo: Luke Jones / Flickr)

Are we really alone in the universe? A new effort to search for extraterrestrial life is underway.

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Karenna Gore, founder of the Center for Earth Ethics, will appear in Chicago next week as part of a forum on climate change. (Center for Earth Ethics / Facebook)

The daughter of former Vice President Al Gore is founder of the Center for Earth Ethics, which frames the environmental crisis in moral terms. She tells us about her work ahead of her appearance this week at a climate change forum in Chicago.

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The installation “Come Hell or High Water” by British artist Michael Pinsky shows a fleet of semi-submerged cars in the River Tyne in 2006. Today, scientists expect increased flooding due to climate change. (Akuppa John Wigham / Flickr)

City Council approved a climate emergency resolution Wednesday, but no specific actions are on the horizon.

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The latest selection for the citywide reading program is a Pulitzer Prize-winning book from New Yorker staff writer Elizabeth Kolbert, who joins us in discussion.

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(Kate Ter Haar / Flickr)

In the war against plastic pollution, Illinois legislators just announced a new battle plan that would tackle the problem from multiple angles.

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In this Thursday, Sept. 19, 2019 file photo, Amazon CEO Jeff Bezos walks off stage after holding a news conference at the National Press Club in Washington to announce the Climate Pledge, setting a goal to meet the Paris Agreement 10 years early. (AP Photo / Pablo Martinez Monsivais)

The world’s richest man, Amazon founder Jeff Bezos, said in an Instagram post that he’ll start giving grants this summer to scientists, activists and nonprofits working to protect Earth.

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Charger the sea lion cozies up to a Valentine’s Day cake. (Jim Schulz / Chicago Zoological Society)

From gorillas chomping on heart-shaped biscuits to sea lions digging into a gelatin cake, Brookfield Zoo’s Valentine’s Day celebration has warmed our hearts.

            

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The Daniel K. Inouye Solar Telescope (Photo courtesy of NSO / NSF / AURA)

A local scientist talks about his work to help capture the most detailed images ever of the sun’s bubbling surface.

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Pangolins (USAid Asia / Flickr)

Preliminary findings point to the endangered pangolin as a possible host of the novel coronavirus, sparking concerns that a panic could lead to killings of the animal. 

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An image from the 1972 Apollo mission. (Credit: NASA)

Local scientists use a powerful new tool to make fresh discoveries from moon dust first collected nearly 50 years ago.

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Carl Cotton (Courtesy of the Field Museum)

Taxidermy – the process of preserving animals – isn’t usually classified as fine art. But the Field Museum is challenging that idea by shining a light on the artist behind many of the museum’s own examples. 

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An artist’s impression of Solar Orbiter. (Credit: ESA/ATG medialab)

It may not seem like it lately, but the sun does indeed still exist. And NASA is sending a spacecraft to our friendly neighborhood star to get some answers.

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The east bank of the North Shore Channel has been stripped of foliage in Legion Park as part of a habitat restoration project. (Patty Wetli / WTTW News)

The east bank of the North Shore Channel has been stripped of foliage between Foster and Bryn Mawr avenues, to be replaced with native species. Neighbors say the project has laid bare “eyesores” on the opposite bank.

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U.S. Sen. Dick Durbin appears on “Chicago Tonight” on Sept. 30, 2019.

Sen. Dick Durbin and Mayor Lori Lightfoot held a joint news conference Friday to call for federal funding to manage and protect the region’s vulnerable shoreline.