As an awe-inspiring phenomenon in the sky, the rainbow is a common occurrence. You might remember making rainbows with prisms as a science experiment on light refraction when you were in school.

Rainbows contain seven colours, there is no two ways about it - red, orange, yellow, green, blue, indigo, and violet. That is what makes up the essence of these optical illusions that form when the ...

After the storms last week, a rainbow came out in central Massachusetts — a red one. “I was just heading to my basketball league that I play in on Tuesday and Thursdays down in Marlboro,” said ...