Aliens may exist.

Meaning: This means that it is possible that beings from other planets or dimensions exist somewhere in the universe.

Choice of Words: Aliens are hypothetical or fictional beings from other planets or dimensions. May is a modal verb that expresses possibility. Exist is a verb that means to have real or actual being. The sentence implies that it is possible that aliens exist somewhere in the universe.

Alternative Expressions

Extraterrestrial life forms might be out there.

Meaning: This means that it is possible that there are living things from another planet, but we don't know for sure. It's like saying, "We don't know if aliens exist, but it's possible that they do."

Choice of Words: The word "extraterrestrial" means from outside the Earth. "Life forms" refers to any living thing, such as animals, plants, or even aliens. "Might" also indicates a possibility, but it is less certain than "may." "Out there" means in existence or somewhere in the universe. When we put these words together, we get the idea that there is a chance that living things from outside the Earth exist, but we are not sure.

It's not impossible that there are beings from other planets.

Meaning: This means that it is possible that there are aliens, but it is not very likely. It's like saying, "We don't know if aliens exist, but it's not impossible that they do."

Choice of Words: The phrase "it's not impossible" means that something is possible, even if it is not likely. "Beings" refers to living things, such as humans or aliens. "Other planets" means planets that are not Earth. When we put these words together, we get the idea that there is a chance that living things from other planets exist, but it is not very likely.

Related Expressions