Wild condor parents usually make a great parenting team. But when one female California condor (Gymnogyps californianus) in Pinnacles National Park in Central California found herself in the role of…
Explore This Section Science Citizen Science Help Refine Data from Space… Overview Resources Opportunities Citizen Science Highlights About Science Activation How do scientists studying space with data from a telescope…
There is a simple reason why Indigenous arrowhead crafting has remained largely the same for thousands of years—if something works, it works. The earliest examples of these lethal tools date…
Many organisms often set up their homes on sea turtles. Known as epibionts, the most noticeable passengers are usually the algae and barnacles clinging to the marine reptile’s protective shell.…
X-ray: NASA/CXC/SAO; Optical: NASA/ESA/STScI; Infrared: NASA/ESA/CSA/STScI; Image Processing: NASA/CXC/SAO/L. Frattare and J. Major Two galaxies merge at a furious rate in this Aug. 25, 2026, image of the II Zw…
NASA’s SpaceX Crew-12 members suit up in the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida ahead of launch to the International Space…
Poynting crater and Keeler crater are visible side by side in the lower right portion of this image of the Moon’s far side highlands. Poynting, positioned above, is a large…
To the untrained eye, two female brown bears (Ursus arctos) in Alaska’s Katmai National Park and Preserve look like any other bears. But Bear #609 (Bean) and Bear #620 were…
By the time naval architecture firm George G. Sharp tasked Jack Heaney with the design of the world’s first nuclear-powered merchant ship, the Glasgow-born designer had already broken many styling…
APOD Science APOD APOD: 2026 September 11 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day…