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Articles: Research

Six butterflies shown in infrared wavelengths of purple and pink colors

(Click on arrow at right to see full image) Butterflies of six different species, photographed in infrared wavelengths, reveal patterns unseen in visible light.

Image courtesy of Naomi Pierce and Nanfang Yu


A study reveals new dimensions to their function and beauty.


Highlights from our wide-ranging coverage of the environment


From race and colonization to genetics and paleohistory, our favorite stories about the people reshaping the study of history


Photograph of downtown Yamhill, Oregon, with general store

(Click on arrow at right to see additonal images)
(1 of 3) Yamhill’s physical charm, complete with a general store, may make it easy to overlook its people’s struggles.

Photograph by Lynsey Addario

Americans diminished by “social poverty”

May-June 2020

Photograph of swimming hole cut in ice

© Mandarinkap/

The Business School’s Rebecca Henderson reimagines capitalism to save the planet.

May-June 2020

Photograph of surgical procedure

Americans use a lot of technologically sophisticated, expensive medical services—slighting more effective, routine care.

Photograph by Rui Vieira/PA Wire/AP Images

Administrative costs, greed, overutilization—can these drivers of U.S. medical costs be curbed?

May-June 2020

Photograph of copies of the federal budget fiscal year 2021

President Donald Trump’s fiscal 2021 U.S. budget, pre-COVID-19: add a few trillion dollars of debt
Photograph by Samuel Corum/Getty Images

The politics, policymaking, and public consequences of mounting government debt—and how to cope with it

May-June 2020

Posthumous portrait of astronomer Cecilia Payne-Gaposchkin looking up and through a window, echoing Vermeer’s painting “The Astronomer”

(Click on arrow at right to see the full image) Patricia Watwood’s 2001 posthumous portrait of Cecilia Payne-Gaposchkin echoes Vermeer’s The Astronomer.

Painting © Patricia Watwood/From the Harvard University Portrait Collection. Gift of Dudley and Georgene Herschbach

Photograph © President and Fellows of Harvard College

Brief life of a breakthrough astronomer: 1900-1979

May-June 2020

The St. Louis, Missouri, skyline on the Mississippi River with the Gateway Arch visible, as seen from across the Mississippi River in East St. Louis, Illinois

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(1 of 7) The St. Louis, Missouri, skyline on the Mississippi River, as seen from East St. Louis, Illinois 

Photograph by Visions of America/Education Images/Universal Images Group via Getty Images

Walter Johnson’s radical history of St. Louis

May-June 2020