Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its surroundings. Additionally, radiation outside the visible range of wavelengths ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

Alexei Ratmansky creates a joyful new “Paquita” for New York City Ballet, giving the dancers a classical frame in which to ...