Rainbows may be a trick of the eye, but they’re also based in fascinating optical physics. Here's how they work and why we see them.

If we’re hallucinating, we may not be hallucinating exactly the same thing.

Most us go through life seeing rainbows only as arches of color in the sky, but that’s only half of what is really a circle ...

THIS is the moment ominous ‘UFOs’ were spotted hovering next to a double rainbow in Spain – just before the devastating ...

A natural phenomenon amazed passers-by in Marion, Ohio: a double rainbow stretched across the sky like a perfect dome.

The Rainbow Warrior made headlines around the world when it was sunk by French intelligence operatives. But before that, its ...

The clip shows little white specs of light contrasted by the gorgeous rainbow, in what feels like ... others had already been flooded for at least two hours. It has been confirmed that a British ...

The two first connected in a Facebook group for widows in the Washington, D.C./Maryland/Virginia area. After taking a closer ...

A rainbow forms in a sky where part is still shrouded in clouds ... in the last few weeks – we have witnessed extraordinary nissim. From the blunting of two major missile offensives to the dismantling ...

Richland County residents, agencies, businesses and local labor unions turned out to donate nonperishable food items, hygiene ...