Discover the science behind seeing your reflection in water. Light travels in straight lines and bounces off smooth surfaces, ...

In about a year, a new NASA instrument designed and built in Colorado will ride on the International Space Station (ISS). From there, it will look down at Earth to measure the light reflecting off our ...

A momentary gleam of starlight could reveal alien construction to the next generation of telescopes, a recent paper suggests. We’ve all experienced it: the glint of sunlight bouncing off a car ...