Do you know this downy woodpecker?
By looking closely at traits like wing feathers and spot patterns, a computer scientist trained an algorithm to recognize individual woodpeckers.
An early voter in Norwalk, California.
The odds favor a big year for Democrats, but the extent of their gains is still in doubt.
The Floating Mosque of Palu that survived after the earthquake.
AP Photo/Tatan Syuflana
A majority of the over 24 mosques spread over Palu were damaged in the tsunami. Two of them survived, though one of them is gradually sinking.
Those mesmerized by NASA’s accomplishments and ambitions wanted so much more out of the reticent Armstrong.
After the first moon landing, the feelings that propelled a unified national mission quickly dissipated. Could Armstrong have played a bigger role in galvanizing the public for future projects?
A bridge in Palu, Central Sulawesi, Indonesia, was destroyed in the recent earthquake and tsunami.
AP Photo/Aaron Favila
The devastation of the recent earthquake and tsunami might be most visible in Palu, the capital city of Central Sulawesi. But the province’s rural areas could ultimately suffer the most.
A prime mystery.
A famous mathematician claims to have cracked a longstanding problem involving prime numbers. But his results still need to be verified.
Dead from the My Lai massacre.
Peers Inquiry, v.3/Ron Haeberle
If Americans remember My Lai, they likely know that something awful happened there. On this 50th anniversary, it is worth recalling the grotesque details, in the hope of preventing a future My Lai.
Incumbent Rep. Barbara Comstock, R-Va., won reelection.
AP Photo/Alex Brandon, File
State legislators in 18 states are intentionally drawing congressional boundaries to favor their party, according to experts who ran thousands of simulations using open-source mapping software.
What’s in that bottle? And is it safe?
Congress has passed a long-overdue update of a key law regulating hazardous chemicals. But a legal scholar says the new law does not go far enough to reduce chemical exposure risks.
Woodrow Wilson’s cabinet.
Library of Congress
In 2015 Princeton University investigated President Woodrow Wilson's legacy of prejudice. A historian looks at the widespread racism in the American progressive movement of the early 20th century.
Abolished in New Mexico, but legally open in other states.
American exceptionalism on the death penalty is at it again, and this time we have truly outdone ourselves: we tortured someone to death. Last month, the Ohio execution of Denis McGuire using untested…