Answer:
Two horses, swiftest traveling, harnessed in a pair, and grazing ever in places. Distant from them.
Many hear me, but no one sees me, and I only speak when spoken to
My tongue hangs out as I run over fields and streets all day. I get tied up every morning and untied at night.
I can move even when you are still. I can be one or many.
In many years, not much has happened. In many minutes, a lot has happened. In one second, everything has happened.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?