[Wiz]

I would imagine aliens would seek communication methods that would travel faster than light, but what would it be...

[ProtectOurFreedom]

I would imagine aliens would seek communication methods that would travel faster than light, but what would it be...

Quantum Entanglement is what you are looking for.

[demlosers]

I would imagine aliens would seek communication methods that would travel faster than light, but what would it be...

And of course that would be subspace communication. ;^)