Artist's concept of NASA's Voyager spacecraft. After the Voyager 1 and its replica Voyager 2 launched in 1977, their power sources are slowly dying. NASA/JPL-Caltech hide caption
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Sunday
Saturday
Ellie, an 11-year-old cockatoo, chats with a feathery friend over a video call. Matthew Modoono/Northeastern University hide caption
Friday
Dr. Bushra Sulieman (left) and Dr. Mohamed Eisa in February 2023 at a workshop in Khartoum. Sulieman was killed on April 25 in Khartoum. It's believed he was stabbed to death during a robbery attempt amid the turmoil of the conflict that has broken out in Sudan. Sudanese American Physicians Association hide caption
People view fields of flowers at Carrizo Plain National Monument, California's largest remaining grassland. Claire Harbage/NPR hide caption
SUPERBLOOM: A beautiful upside to the California downpours
Thursday
Lee Nunn says he uses a lot of precision agriculture on his Georgia farm to save resources. Stephen Fowler/Georgia Public Broadcasting hide caption
Precision agriculture technology helps farmers - but they need help
Georgia Public Broadcasting
Precision agriculture technology helps farmers - but they need help
Traditional fishing boats rot in stagnant pools of water beside the Ravi River bank in the Pakistani city of Lahore. Diaa Hadid/NPR hide caption
About 6,500 mammal species live on Earth today. Credit from left to right: John Moore/Getty Images; Yoshikazu Tsuno/AFP via Getty Images; Koichi Kamoshida/Getty Images; Paula Bronstein/Getty Images Getty Images hide caption
Welcome to the mammalverse: Scientists sequence DNA from 240 species around the world
Eli Lilly is seeking FDA approval for tirzepatide for chronic weight management. The drug could be approved by the end of the year. Eli Lilly & co. hide caption
Wednesday
Worms in Sulphur Cave, Steamboat Springs, Colorado. These worms are believed to live on the chemical energy in the sulfur in the cave, similar to the way tube worms live in a world without light at the bottom of the ocean. Also visible on the left side of the image are streamers — colonies of microorganism, similar to those seen in hot springs in Yellowstone National Park. Norman R. Thompson hide caption
Tuesday
The nonpartisan Covid Crisis Group has released its investigative report titled "Lessons from the Covid War: An Investigative Report." Go Nakamura/Getty Images hide caption
Monday
Chelsea Freels, a 17-year-old outside her home in Richmond Heights, Mo., on April 20, 2023. Freels, who is transgender, says she feels targeted by policies restricting gender-affirming care coming from Jefferson City, the state capital. Brian Munoz/St. Louis Public Radio hide caption
Missouri to restrict gender-affirming care for trans adults this week
St. Louis Public Radio
Missouri to restrict gender-affirming care for trans adults this week
This artistic rendering shows a runaway supermassive black hole that was ejected from its host galaxy after a tussle between it and two other black holes. As the black hole plows through intergalactic space it compresses tenuous gas in front to it and leaves a "contrail" of stars behind it. ARTWORK: NASA, ESA, Leah Hustak (STScI) hide caption
Friday
People view fields of flowers at Carrizo Plain National Monument, California's largest remaining grassland. Claire Harbage/NPR hide caption
California's destructively wet winter has a bright side. You'll want to see it
A new study found that trapped stem cells may be the reason some aging hair turns gray. Gary John Norman/Getty Images hide caption
Activists and community members march into the Minnesota State Capitol building during a Trans Day of Visibility rally on March 31, 2023. Nicole Neri for MPR hide caption