Some wasps’ nests glow green under ultraviolet light

The Red Warning Light on Richard Branson’s Virgin Galactic Space Flight

Spaceship carrying Richard Branson flew off course, FAA is investigating | Near the end of the burn of the VSS Unity spacecraft's engine, a red light appeared on a console. This alerted the crew to an "entry glide-cone warning"

Pilots saw 'red light' warning during Virgin Galactic's historic spaceflight with Richard Branson: report