Scientists have solved the mystery of a strange glowing ribbon of green and purple light spotted over Canada.
According to a new paper, a thriving extraterrestrial world could be predominantly purple rather than green.
Scientists in Australia have been investigating what caused an otherwise normal orange to turn purple.
A remote-operated deep-sea exploration vehicle has discovered a peculiar purple orb underneath a rock.
A TV production team filming a show in Lima turned their cameras skyward to record a strange object.
Genetically modified tomatoes with added nutritional value could soon find their way in to supermarkets.
A new way to harvest energy from sunlight has been found as gold turns purple in a new experiment.
Residents of southern Russia were perplexed this week after purple snow started piling up in the streets.
China's Purple Mountain Observatory has revealed 40 minutes of footage showing a mysterious object in the sky taken duri...
A dangerous spider with enough venom to kill a human has taken up residence in Britain following a series of mild winter...