Dairy cattle feed at a farm on March 31, 2017, near Vado, N.M. The U.S. Department of Agriculture says cows in multiple states have tested positive for bird flu. Rodrigo Abd/AP hide caption
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Sunday
Saturday
"One second doesn't sound like much, but in today's interconnected world, getting the time wrong could lead to huge problems," geophysicist Duncan Agnew says. Here, an official clock is seen at a golf tournament in Cape Town, South Africa. Johan Rynners/Getty Images hide caption
Friday
In Nigeria's oil-rich Niger Delta, oil bunkering — the practice of siphoning oil from pipelines — has transformed parts of the once-thriving delta ecosystem into an ecological dead zone, according to the U.N. Environment Programme. Edward Burtynsky, courtesy Robert Koch Gallery, San Francisco / Nicholas Metivier Gallery, Toronto hide caption
Mercy me: Photos show what humans have done to the planet in the Anthropocene age
A researcher holds up a sandy De Winton's golden mole. Nicky Souness/Endangered Wildlife Trust hide caption
Once lost to science, these "uncharismatic" animals are having their moment
Thursday
For the first time, we're seeing the Sagittarius A* black hole in polarized light. The Event Horizon Telescope collaboration says the image offers a new look at "the magnetic field around the shadow of the black hole" at the center of the Milky Way. EHT Collaboration hide caption
The country's two biggest reservoirs are on the Colorado River. Water levels at Lake Powell have dropped steeply during the two-decade megadrought. Justin Sullivan/Getty Images hide caption
The coal power plant in Kemmerer, Wyoming, owned by Rocky Mountain Power, is scheduled to be decommissioned next year. Kirk Siegler/NPR hide caption
Why a town on the front line of America's energy transition isn't letting go of coal
Wednesday
Victoria Micieli, director and scientist at the Center for Parasitological and Vector Studies of the national scientific research institute CONICET, classifies different species of mosquitoes at a laboratory in La Plata, in Argentina's Buenos Aires Province, on Tuesday. Luis Robayo/AFP via Getty Images hide caption
Want to stop needle phobia in adults? Make shots less painful for kids
Monday
Student volunteers prepare two balloons for a morning launch in Cumberland, Md., as part of a nationwide project to study the April 8 eclipse. Meredith Rizzo for NPR hide caption
Second graders practice using solar eclipse glasses outside Winchester Village Elementary School in Indianapolis. Kaiti Sullivan for NPR hide caption
How an Indianapolis teacher is using the solar eclipse to inspire her students
NASA astronaut and Expedition 70 Flight Engineer Loral O'Hara is pictured working with the Microgravity Science Glovebox, a contained environment crew members use to handle hazardous materials for various research investigations in space. NASA hide caption
What's it like to live in space? One astronaut says it changes her dreams
Saturday
Warehouse workers often labor in extremely hot conditions in California, as do many others who work indoors. The state has been considering new rules to protect them when temperatures soar to dangerous levels, but political headwinds have left the rules in limbo. Jae C. Hong/AP hide caption
Friday
The Catholic Church officially opposes in vitro fertilization, yet many Catholics don't view IVF as morally wrong. Filippo Monteforte/AFP via Getty Images hide caption
Despite church prohibitions, Catholics still choose IVF to have children
A post-reproductive toothed whale mother and her son. David Ellifrit/Center for Whale Research hide caption