The earliest scientists first observed the waves that earthquakes produce before they could accurately describe the nature of earthquakes or their fundamental causes, as discussed in Lessons 1–5.

So it looks like we'll be talking a lot about gravitational waves over the coming days, but why can't they be called "gravity waves?" In this social media world where brevity is key, it may seem that ...

Waves transfer energy from one place to another. Light from the Sun travels through space and through the atmosphere, transferring energy to the Earth and other planets. Sound travels from a ...