Investigators compared subtle changes in electromagnetic signal frequency, caused by the Doppler effect, to conclude that Malaysia Airlines’ missing Boeing 777-200ER routed south after contact was ...

A study explores how the rapid ear motions of certain bat species enhance sensing and navigation. Doppler shifts are changes in the frequency of a signal caused by the relative motion of the source ...

Radar is quite spectacular in telling us exactly where rain is falling by pinging precipitation with radio waves! Our weather radar can determine more than just a storm’s location, but its movement as ...