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By Ashley Strickland, CNN The Hubble Space Telescope has spied evidence of water vapor in the atmosphere around Jupiter’s moon Ganymede, the largest moon in our solar system. The water vapor forms as the icy surface of the moon turns from a solid to a gas, a process called sublimation. Astronomers uncovered this water vapor

CNN Editorial Research Here’s some background information about the Summer Olympics, which is held every four years. The 2020 Olympic Games were held July 23-August 8, 2021, in Tokyo. The Games were delayed due to the coronavirus pandemic. Paris is slated to be the host city for the 2024 Olympic Games. The 2028 Olympic Games

CNN Editorial Research Here’s some background information about the CN Tower, or Canada’s National Tower. Standing 1,815 feet (553.33m), it is the tallest freestanding structure in the Western Hemisphere. The CN Tower is located on Front Street in Toronto’s entertainment district. It attracts more than 1.5 million visitors each year. Other Facts Rogers Centre, home

By Ashley Strickland, CNN Astronomers have discovered the largest known comet, and it’s about a thousand times more massive than others. Comet Bernardinelli-Bernstein, so named because it was found by University of Pennsylvania department of physics and astronomy graduate student Pedro Bernardinelli and Professor Gary Bernstein, is between 62 to 124 miles (100 to 200

By Amy Woodyatt, CNN As the Covid-19 pandemic swept the globe in early 2020, people around the world found themselves confined to their homes and limited to speaking to friends and loved ones via phone or video chat. But rather than helping alleviate isolation, this virtual contact was more likely to result in older people

CNN Editorial Research Here’s some background information about the Eiffel Tower in Paris. Facts Almost seven million people visit the Eiffel Tower annually. About 300 million visitors have been to the tower since its opening. Designer Gustave Eiffel had a small apartment cloistered away in the upper reaches of the tower. In 2016, a second

CNN Editorial Research Here’s some background information about Big Ben, the clock and bell in Elizabeth Tower at the Houses of Parliament in London. Facts It is one of the most famous landmarks in England. The name Big Ben originally referred to just the bell but now it encompasses the clock, the tower and the

By Helen Regan and Brad Lendon, CNN The-CNN-Wire™ & © 2021 Cable News Network, Inc., a WarnerMedia Company. All rights reserved.

By Elaine Ly and Theresa Waldrop, CNN An “unusually large” meteor illuminated the night sky over southern Scandinavia early Sunday morning before at least some of it came rumbling down near Oslo, the capital of Norway. The meteor “lit up the sky for a brief time as if broad daylight,” just after 1 a.m., Steinar

By Ashley Strickland, CNN Have you ever spotted another planet in the sky? It’s a celestial thrill without compare. The first time I spied Mars, it appeared like a red star among a sea of glittering white ones. It was a mind-blowing moment, as I thought about the many spacecraft that humans have sent across

By Matias Grez, John Sinnott, Ben Westcott, Brett McKeehan and Adrienne Vogt, CNN The-CNN-Wire™ & © 2021 Cable News Network, Inc., a WarnerMedia Company. All rights reserved.

CNN Editorial Research Here’s a look at the life of Joaquín Guzmán, otherwise known as “El Chapo,” a Mexican drug lord who has repeatedly broken out of prison. He was recaptured in January 2016 and later extradited to the United States to stand trial on federal charges. He was convicted on 10 counts related to

By Ashley Strickland, CNN When NASA’s InSight lander touched down on Mars in 2018, the mission team hoped the stationary spacecraft would be able to perform a checkup on the red planet’s interior. Now, InSight and its instruments have exceeded those goals, revealing the mysteries of the Martian crust, mantle and core that have eluded

By Sara Spary, CNN The gun used to kill the notorious Wild West outlaw Billy the Kid 140 years ago is going to public auction for the first time — with an estimated selling price of $2-3 million. The Colt Single Action firearm belonged to Sheriff Pat Garrett, who shot and killed Billy the Kid