Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

Which state sound can not travel?

When a wave travels the particles of the medium vibrates and due to the vibration of the particles, the sound is produced. That is why sound waves have to need a medium to travel. So it can not travel through a vacuum. Solid > liquid > gases > vacuum.

Can sound travel anywhere?

So, sound needs a physical medium in order to travel anywhere. ... In general, sound travels faster through solids than through liquids or gases. Also, the denser the medium, the slower sound will travel through it. The same sound will travel at a different speed on a cold day than it would on a warm day.