Michael Buchanan

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People in crowd holding hands in air (© Fernando Vergara/AP Images)

U.S. helps Venezuelans in Colombia

A new $2.5 million initiative will help provide food and medical care to hundreds of thousands of Venezuelans who have fled poverty, hunger and tyranny.
Green and purple lights in night sky (Courtesy of Krista Trinder/NASA)

NASA, citizen scientists solve night-sky mystery called Steve

A strange purple streak in the night sky baffled scientists and sky-watchers. They called it "Steve." With the help of NASA, we're learning more about this cousin of the aurora.
Ship with large painted red crosses on ocean (U.S. Navy/Petty Officer 2nd Class Kelsey L. Adams)

U.S. hospital ship prepares to save lives in Indo-Pacific

Mobile hospital ship USNS Mercy is heading to the Indo-Pacific to save lives. The state-of-the-art ship anchors an international team setting sail for the 2018 Pacific Partnership, a disaster-response exercise.
Person standing on deck of aircraft carrier (© Linh Pham/AFP/Getty Images)

U.S. aircraft carrier makes historic visit to Vietnam

The USS Carl Vinson made a friendship visit to Vietnam — the first time a U.S. aircraft carrier has anchored in the country since the Vietnam War ended four decades ago.
Drawing of a caravan stop on the Silk Road (© Eugene Flandin/Alamy)

Following the Afghan Silk Road with satellites

Archaeologist Emily Boak used aerial and satellite imagery to discover hundreds of unrecorded Afghan caravan stops along the Silk Road.
Snowboarder flying in air (© Getty Images)

Snowboard phenom Chloe Kim ready for Winter Games in South Korea...

Seventeen-year-old American snowboarder Chloe Kim is ready to wow the world in the halfpipe event at the 2018 Winter Olympics in Pyeongchang, South Korea.
Rex Tillerson at lectern in front of large, black, granite statue (State Dept.)

Tillerson bolsters trans-Atlantic alliances in Europe

Rex Tillerson highlighted U.S. alliances in a weeklong trip to Europe. Here are the highlights from London, Paris, Davos and Warsaw.
Two students inspecting 3-D object they made from printers (Johnny Andrews/UNC-Chapel Hill)

These students can manufacture in their dorms

Students are using 3-D printers in "makerspaces," where they turn innovative ideas into reality. At one U.S. university, the space is in a dormitory.
Woman's hand dropping paper into slot in box (Shutterstock)

Turkish Americans make their mark in local government

Two Turkish-American politicians entered politics to serve their communities. Learn more about 2017 election winners Tayfun Selen and Hacibey Catalbasoglu.