Understand, I am not presenting a hypothesis that denies that the visitors may be real beings from another planet and/or reality.

It can refer to a possible situation in the future, or it can present a counter-factual hypothesis about the present.

"I want to present a hypothesis and see what the medical people make of it."

In this context he presented a hypothesis on a possible historical core of Plato's Atlantis story.

I'm going to put on my armchair evolutionary sociologist outfit and present a hypothesis.

You are presenting a hypothesis that has no ground for assumption.

Group augmentation presents a second hypothesis towards the evolution of cooperative breeding.

In 1971, he presented a hypothesis which was later proved in practice by researchers overseas.

More recently, he presented a hypothesis that links the origin of repetitive families to population subdivision and speciation.

In that final paper, Wrong presented a novel hypothesis to explain the frequency of the mutations in the tropics despite their adverse clinical effects.