UFO vs. UAP: Clarifying Terminology, Reporting, and Scientific Inquiry

To the point

UFO is the old, culturally loaded idea of a visible object in the sky, while UAP is a broader, neutral term for unidentified phenomena that may occur in air, water, or other mediums and do not assume a physical flying vehicle, with governments using UAP for standardized reporting and scientists generally attributing most cases to ordinary explanations but leaving a few unresolved.

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What Is the Difference Between UFO and UAP? - Sentinel Mission

Learn how UFO and UAP differ in meaning, usage, and scientific context, plus why the terminology changed.