COMSTOCK PARK, Mich. — Meteorologists all over the world use a wide variety of instruments to measure things like temperature, air pressure, humidity and a host of other variables. In Tuesday's ...

Speed is a measure of how fast an object is moving. Calculate speed using the speed equation - speed = distance divided by time. The speed equation can be rearranged to find distance travelled and ...

Scientists have used an advanced speed camera to clock how fast the universe was expanding when it was a quarter of its current age. Back then, it was inflating at a rate of 68km per second and today ...