Solve the math puzzle from our October 2026 issue, in which a bird watcher seeks an indoor hobby.
Solve the math puzzle from our October 2026 issue, in which a bird watcher seeks an indoor hobby.
Big space mirrors could bring Earth on-demand light — and upend our night sky 
Nepal’s deadly debris flow points to risks in other high mountain regions 
During menopause, brain changes surprisingly take a break 
When AI goes rogue, its human overseers may be to blame 
These mice have human (nerve cells) on the brain 
The U.S. has weapons in space. Here’s what that could mean 
Math puzzle: Shape-birding 
The Cost of Excluding Refugees 
WHO Launches New Global Health Strategy for Childhood Cancer Medications 
UN fact-finding mission on Iran focuses on plight of civilians