After the assassination, the grief-stricken artist painted the president’s image obsessively; finally saying she caught only "a glimpse" of him
Scientists put GPS locators inside plastic eggs to find trafficking destinations in Costa Rica
Born 200 years ago, the Swedish soprano embarked on headline-grabbing tour that shared the spotlight with a political maelstrom
100 Years of Women at the Ballot Box
Suffragists said women voting would transform politics. Here’s how women have wielded the ballot in the past century, according to a political scientist
In a year of anti-racism protests, the new Showtime series focuses on the polarizing abolitionist who led a raid on Harper's Ferry
The National Zoo announces the 6-week-old giant panda is a boy
Thousands of Lumbee Indians, members of the largest tribe east of the Mississippi, once lived in the neighborhoods of Upper Fells Point and Washington Hill
A new biography shows how decency, determination and generosity of heart can change the world
A new analysis of shark body size offers clues as to why the 50-foot-long prehistoric shark grew so large
Kickstarter, Gowanus Canal Sponge Park, TELFAR and others take home awards
Researchers say the location would offer a quiet spot from which to hear a signal from an intelligent civilization
Photographer Paul Scannell recounts stories of perilous treks and quiet reflection on his journey to capture the ruins of the northern frontier
The Nancy Grace Roman Space Telescope will be able to detect small, distant planets without stars
Join programs, multi-part courses, studio arts classes and virtual study tours
National Veterans of Foreign Wars Day, September 29, recognizes the men and women who have served honorably in the U.S. military overseas
Explore the life cycle of modern outbreaks, from infection to immunity and vaccines to combat them
A new study finds 75 percent of the species sold are not regulated by any trade agreement
An outlandish idea codenamed ‘Operation Fantasia’ aimed to demoralize the Axis power by mimicking legendary spirits
The National Trust for Historic Preservation names these sites as the most endangered cultural treasures in our country
We now know that the killer chytrid fungus originated in Asia and that humans unintentionally spread it around the world
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