Question

why are humans not do astral travel.

Answer 1

Astral projection (or astral travel) is a term used in esotericism to describe a willful out-of-body experience (OBE) that assumes the existence of a soul or consciousness called an "astral body" that is separate from the physical body and capable of travelling outside it throughout the universe.

Answer 2

are you just kidding about seeing Dr strange
just the main source for astral travel is aura signature
it's said that a saint has a high amount of aura readings so as he dies the reading transfer as from body as astral form
the olden readings were said they saint travel to astral form
it's like a mixture of science and religious magic
whatever may be

there are evidence for astral travel like I said as saint or being dead some immortal energy