Andreas Kremer and Reina Luna are brightening up schools, businesses and other community spaces with their murals.

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Few journeys offer the sense of freedom and variety that comes from traveling along this long, winding coastline. One moment ...

The huge 1,600-mile (2,500-kilometer) wide expanse of the South Pole–Aitken Basin extends considerably onto the far side of ...

Researchers at the Max Planck Institute for Extraterrestrial Physics (MPE), in collaboration with astrophysicists from the ...