The extreme speed at which light moves, and the fact that photons do not tend to interact with transparent matter, is of enormous benefit to mankind. It allows us to see deep into the Universe and to ...

Apr. 10, 2026 A mysterious glow of gamma rays at the center of the Milky Way has long hinted at dark matter, but the lack of similar signals in smaller dwarf galaxies has cast doubt on that idea. Now, ...

Bird Rock bench damaged multiple times in possible acts of vandalism Mere months after a tree on La Jolla Boulevard in Bird Rock was vandalized to the point that it fell, a bench at the end of Forward ...