In the age of the LED light bulb, consumers have an unfathomable range of lighting options. This has, perversely, made the ...

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 ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could they be?