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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

By Rachael Scott, CNN NFL GOAT Tom Brady lobs jokes at the White House and a new bride tests her “in sickness and in health” vow at the reception. These are the must-watch videos of the week. ‘Sleepy Tom’ Brady The Tampa Bay Buccaneers visited the White House to celebrate the team’s Super Bowl victory

By Sarah Molano and Ashley Strickland, CNN Lunar lovers, grab a cozy spot outside and set your sights to the southeast to gaze upon July’s full moon, dubbed the “buck” moon, as it rises Friday after sunset. The moon will reach peak illumination at 10:37 p.m. ET Friday, according to NASA. In all its glory,

By Joshua Berlinger, Adam Renton, Aditi Sangal, John Sinnott and Matias Grez, CNN The-CNN-Wire™ & © 2021 Cable News Network, Inc., a WarnerMedia Company. All rights reserved.

By Paul Cruickshank, Tim Lister and Nic Robertson, CNN As the 20th anniversary of 9/11 approaches, the United Nations is warning that the threat from terror groups such as ISIS and al Qaeda is not only resilient, but in many places expanding. A report to the Security Council by the UN monitoring team charged with

By Ashley Strickland, CNN For the first time, astronomers have found a disk around a Jupiter-like planet outside of our solar system — the kind of disk where moons could actively be forming. The disk, known as a circumplanetary disk, was discovered around an exoplanet known as PDS 70c. It’s one of two massive planets

By Ivana Kottasová, CNN Photo editor Sarah Tilotta, CNN Yakutsk in Russian Siberia is known as the world’s coldest city. In a place where even an exposed nose during the winter months can cause biting pain, people are accustomed to taking precautions against freezing temperatures, including spending extra time in the morning to dress in

By Joshua Berlinger, Adam Renton and Ben Church, CNN The-CNN-Wire™ & © 2021 Cable News Network, Inc., a WarnerMedia Company. All rights reserved.

By Ashley Strickland, CNN Almost a year after NASA’s Perseverance rover was launched on its nearly seven-month journey to Mars, the robotic explorer is preparing to collect its first Martian sample within the next two weeks. This sample, which will be returned to Earth by missions in the 2030s, might contain evidence of whether there

By Ashley Strickland, CNN As the first North American insect to go extinct due to humans, a blue butterfly has become an icon for insect conservation — and what happens when humans destroy habitats without thought for the creatures living in them. The last of the Xerces blue butterflies fluttered through the air in San

CNN Editorial Research Here’s some background information about World War I, also known as the First World War and the Great War, which lasted from 1914 to 1918. Causes of World War I The assassination of Archduke Franz Ferdinand of Austria-Hungary by Gavrilo Princip, a Bosnian Serb, led to Austria-Hungary declaring war on Serbia. The

By Angela Dewan, CNN Until recently, climate change had been talked about as a future threat. Its frontlines were portrayed as remote places like the Arctic, where polar bears are running out of sea ice to hunt from. Sea level rise and extreme drought was a problem for the developing world. But in the past