Scientists report finding strong genetic evidence supporting the theory that there are several species of killer whales in the world's oceans.
There is no proof that transient orcas eat pilot whales.
Most religions, Islam among them, do not claim to present scientific proof. Instead they assert that they present divinely revealed truth, which is quite a different thing and not subject to scientific testing.
No.
no but there is no proof that they aren't
No, there is no scientific proof. No one knows how to truly measure something like a ghost, and so there's no scientific way of knowing if they exist.
The scientific name for the yeti is Homo sapiens nonexistis, which means a non-existent species of the Homo sapiens (human) genus.
when the problem needs a scientific proof it becomes a scientific problem
no there is not
Proof.
Test; proof; experiment.
There is no scientific proof of the yowie.
There is absolutely no scientific proof of aliens anywhere, let alone contacting us. It seems likely there may be aliens somewhere out there but that is very different than pretending you have actual proof.