California Flats is a 2900 acre plot of land in central California that's covered in solar panels. The extra energy generated from all that solar flows straight into batteries right on site. Hearst Corporation, California Flats Solar-plus-Storage Project hide caption
Stella Davidsen Olsen, a musher in Greenland, helps guide her sled dogs to turn around and head back home. Grace Widyatmadja/NPR hide caption
Katy Perry performs during the Super Bowl halftime show at University of Phoenix Stadium on Feb. 1, 2015, in Glendale, Ariz. Now she'll be in space but for real this time. Elsa/Getty Images hide caption
Myra Solano Garcia in Upland, California, 2024. Garcia has been living with Alzheimer's disease and is taking one of the two approved drugs on the market to try to slow its symptoms. Zaydee Sanchez for NPR / @zaydee.s hide caption
This chart of the night sky from NASA shows Mars, Jupiter, Saturn, and Venus in a "planet parade" in January 2025. NASA/JPL-Caltech/NASA.gov hide caption
A close-up view of the wooly devil, a new species and genus identified in Big Bend National Park in Texas. D. Manley/National Park Service hide caption
This artist's concept depicts NASA's Lunar Trailblazer in lunar orbit about 60 miles from the surface of the moon. The spacecraft weighs 440 lbs and is 11.5 feet wide when its solar panels are fully deployed. NASA JPL / Lockheed Martin Space hide caption
Ken and Susan Bell, September, 2024 in St. Charles, Mo. Michael B. Thomas/NPR/@miketphotog hide caption
At the center of this image made by NASA's Chandra X-ray Observatory is a very young and powerful pulsar, known as PSR B1509-58, or B1509 for short. NASA/CXC/SAO/P.Slane, et al. hide caption
This image made available by University of Hawaii's asteroid impact alert system shows the motion of asteroid 2024 YR4 over about one hour, Dec. 27, 2024. AP/ATLAS / University of Hawaii / NASA hide caption
Biochemists Herbert Boyer (UCSF) and Paul Berg (Stanford) at a conference at Asilomar, February 26, 1975. San Francisco Chronicle/Hearst N/Hearst Newspapers via Getty Images/Hearst Newspapers hide caption
An aerial view shows the long-depleted Colorado River (L) as it flows between California (R) and Arizona, and an irrigation ditch (R) carrying river water toward Quechan tribal land on May 26, 2023 near Winterhaven, Calif. Mario Tama/Getty Images/Getty Images North America hide caption
Anesthesia can be administered through a mask while patients undergo surgery. czardases/Getty Images hide caption
Mice may exhibit revival-like behaviors to help unconscious cage mates. Georgejason/Getty Images/iStockphoto hide caption