Lasers are known for the monochromatic nature of their light, so much so that you might never have thought there could be such a thing as a white laser. But in the weird world of physics ...

Skywatchers were left surprised, puzzled and awestruck by a mysterious streak of light slicing through the night sky.

Late at night, Minar-e-Pakistan lit up with green and white lights, creating a breathtaking sight visible from afar. During the laser light show, images of the crescent, star, and national flag ...