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An artist's impression of what the surface of the planet Proxima b might look like. (M. Kornmesser / European Southern Observatory)

A planet that could potentially host life has been discovered orbiting Proxima Centauri, the star closest to our solar system, according to a report published Wednesday by more than 30 international scientists.

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Jane Goodall speaks at the Lincoln Park Zoo on Thursday as part of the Chimpanzees in Context conference. (Evan Garcia / Chicago Tonight)

Humans pose the greatest threat to chimpanzees, renowned British primatologist Dr. Jane Goodall said Thursday during an event at the Lincoln Park Zoo.

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Northern Illinois sees a huge surge in the number of people being sued for downloading pornography. A look at why so many local people are being targeted.

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A ladybug eats an aphid, a common garden pest. (John Flannery / Flickr)

Not all bugs found in vegetable and ornamental gardens are harmful to plants. In fact, some of them help get rid of common pests. Find out which make the "good" and "bad" lists.

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This view of Earth's horizon as the sun sets over the Pacific Ocean was taken by an Expedition 7 crew member onboard the International Space Station (ISS). Anvil tops of thunderclouds are also visible. (NASA)

The nuclear codes come up during almost every presidential election. We talk with the woman overseeing the Doomsday Clock about the president's authority over the nation's nuclear arsenal. 

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A landspout can be seen off in the distance Tuesday just outside Midway Airport. The brief tornado was Chicago's first since 2006. (Courtesy of Melanie Harnacke)

Tornadoes had kept away from Chicago since 2006, but a brief landspout brought an end to that streak Tuesday afternoon.

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The Perseid meteor shower on Aug. 11, 2015. (Joshua Tree National Park / Wikimedia Commons)

Peak activity for the Perseids is expected to be Thursday and Friday, according to NASA. The best time to view the meteors is between midnight and dawn, no telescope required.

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The new study's findings could help combat climate change while lessening our reliance on burning fossil fuels. (Jorge Royan / Wikimedia Commons)

Using a process similar to photosynthesis, scientists from Argonne National Laboratory and the University of Illinois at Chicago have converted carbon dioxide into carbon monoxide and hydrogen gas, which can produce methanol and diesel fuels.

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Fermilab's Physics Slam in 2013.

You've probably heard of a poetry slam, but this weekend, Fermilab will present its fifth annual Physics Slam in downtown Chicago. Learn more.

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Waveland, a female red panda cub, is examined by Lincoln Park Zoo staff on July 26. (Lincoln Park Zoo)

Two red panda cubs at the Lincoln Park Zoo are born to love the Chicago Cubs. Like their two siblings born the previous year, the names of the cubs, revealed Tuesday, were inspired by Wrigley Field.

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Important research is happening locally and across the country in an attempt to control the Zika virus.

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Despite a spate of recent reports, the Illinois Department of Natural Resources says that reintroducing alligator gar into Illinois' waterways will not prevent Asian carp from reaching Lake Michigan.

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Starting Aug. 1, 2016, chain stores that are 10,000 square feet or less must comply with the city's plastic bag ban originally enacted a year ago. (MTSOfan / Flickr)

As of Monday, chain stores that are 10,000 square feet or less must comply with the city's plastic bag ban originally enacted a year ago.

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Scientists have found female eggs growing in the testicular tissue of some male largemouth bass taken from the Des Plaines River. (Jonathunder / Wikimedia Commons)

We speak to the co-author of a newly published study in which scientists dissected 51 male largemouth bass and found that 21 – some 41 percent – had grown female eggs in their testicular tissue.

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An event combining rousing orchestral music with high-definition NASA footage of the cosmos is coming to Ravinia Festival in Highland Park this week.

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Ornate box turtles are a threatened species in Illinois due to habitat loss, but they've recently been released onto a wild sand prairie. (USFWS)

Thanks to an experimental program started by the U.S. Fish and Wildlife Service in 2009, a wild population of threatened turtles has been established in northwestern Illinois. Find out how local institutions helped the agency reach its goal.