Authorities in Pittsburgh are investigating a series of incidents involving people wearing orange wristbands.
A seagull nicknamed 'Vinny' was taken to a wildlife hospital after it was found covered in curry sauce.
This spectacular natural phenomenon turns a waterfall of melting snow in to a fiery cascade of bright orange.
Scientists in Australia have been investigating what caused an otherwise normal orange to turn purple.
Ski resorts in several countries were left looking like the surface of Mars after a recent fall of orange-tinged snow.
The peculiar aerial phenomenon was captured on camera by Jeremy Le Fevre on Saturday evening.
The alarm was raised in Dubai last week after the water started to turn a disconcerting orange color.
An unidentified witness reported seeing a 'silent camouflage aircraft' over the town a few weeks ago.
Thousands of people turned out last week to throw oranges at one another in the streets of Ivrea.
Geologists have been investigating a glowing orange hole that opened up on a Chinese mountain.
The Russian city of Saratov ended up painted orange this week as tinted snowflakes fell from the heavens.
An ancient orange star has revealed hints of one of the first stars to ever exist in the universe.
Several witnesses observed the phenomenon in the sky over a rural part of England.
An Australian crocodile puzzled keepers this month when it unexpectedly turned orange.
A strange orange gunk that appeared in a remote Alaskan village has locals and experts alike baffled.
Strange orange lights sighted over Maryborough have left authorities and weather experts baffled.
A Glasgow resident recalls three strange orange orbs hovering silently in formation over her car.
A glowing orange object was sighted in the skies over West Lothian in Scotland on Wednesday night.
A video of a bright orange UFO taken by a tourist in Rome has sparked a great deal of interest all over the web.
A Scottish man has filmed a strange orange ball-shaped UFO in the skies above East Dunbartonshire.