Dr. Jeffrey Stern, assistant professor in the Department of Surgery at NYU Grossman School of Medicine, and Dr. Robert Montgomery, director of the NYU Langone Transplant Institute, prepare the gene-edited pig kidney with thymus for transplantation. Joe Carrotta for NYU Langone Health hide caption
Wildfire smoke from Canada caused dangerously unhealthy air quality in New York City and across much of the U.S. in 2023. While air quality has improved greatly in the U.S. in recent decades, wildfire smoke and other climate-influenced problems are endangering that progress. Ed Jones/AFP via Getty Images hide caption
The U.S. Food and Drug Administration said Tuesday, April 23, 2024, that samples of pasteurized milk had tested positive for remnants of the bird flu virus that has infected dairy cows. Rich Pedroncelli/AP hide caption
Damming waterways is what beavers do best, often to the chagrin of people who want the opposite. But those same damming skills are what make beavers important ecosystem engineers. Chase Dekker Wild-Life Images hide caption
Members of the Voyager team celebrate at NASA's Jet Propulsion Laboratory after receiving data about the health and status of Voyager 1 for the first time in months. NASA/JPL-Caltech hide caption
Drug companies often do one-on-one outreach to doctors. A new study finds these meetings with drug reps lead to more prescriptions for cancer patients, but not longer survival. Chris Hondros/Getty Images hide caption
Scholars Susan Ashbrook Harvey, left, and Robin Darling Young became 'sworn siblings' after an ancient ritual at the Church of the Holy Sepulchre in Jerusalem. Keren Carrion/NPR; Jodi Hilton for NPR hide caption
A Leonid fireball is shown during the storm of 1966 in the sky above Wrightwood, Calif. NASA/Getty Images hide caption
When the media covers scientific research, not all scientists are equally likely to be mentioned. A new study finds scientists with Asian or African names were 15% less likely to be named in a story. shironosov/Getty Images hide caption
An artistic rendering of a washed-up Ichthyotitan severnensis carcass on the beach. Sergey Krasovskiy hide caption
An empty room is pictured in a concrete house in Matam, Senegal. Many families don't have electricity nor the means to own a fan or air conditioning to help quell the intense heat at night, temperatures can stay around 35 degree Celsius throughout the night. John Wessels/AFP via Getty Images hide caption
Wildfire smoke covered huge swaths of the U.S. in 2023, including places like New York City, where it has historically been uncommon. New research shows the health costs of breathing in wildfire smoke can be high. David Dee Delgado/Getty Images hide caption
Selkirkia tsering fossil found in a collection from the Fezouata Formation in Morocco. Javier Ortega Hernández/Harvard Museum of Comparative Zoology hide caption
Author Cristina Henriquez next to the cover of her new novel, The Great Divide. Brian McConkey/Ecco hide caption
The safety rules being announced and finalized today will hold mines to the same standard for silica dust exposure as other employers. These x-rays show black lung disease. Elaine McMillion Sheldon for PBS Frontline hide caption
An artist's rendering shows the T Coronae Borealis star system, which contains a white dwarf and a red giant. Conceptual Image Lab/Goddard Space Flight Center/NASA hide caption
Four voters share their view of the U.S. economy. Courtesy of Arch City Defenders, Winton Machine Company, Bhavesh Patel and the Just One Project hide caption
After using the Lenire device for an hour each day for 12 weeks, Victoria Banks says her tinnitus is "barely noticeable." David Petrelli/Victoria Banks hide caption
The author's 8-year-old daughter, Rosy, has a "kids' license," showing she has her parents' permission to ride her bike around her Texas hometown. Michaeleen Doucleff hide caption