A UFO encounter at a North Dakota nuclear site prompted an Air Force captain to defy an order of silence in his search for truth.

Ukrainian president Volodymyr Zelensky says a Russian Drone struck overnight the destroyed Chernobyl nuclear plant.

The military wanted to test the electromagnetic impacts of nuclear weapons in space. In 1962 they lit up the sky.

(CNN) — Mysterious fast radio bursts, or millisecond-long bright ... repeating flashes occur in specific types of galaxies, Eftekhari said. The new research sheds more light on what causes ...

The team announced its “ultrahigh energy” neutrino on Wednesday, in a paper published in the journal Nature. The finding ...

Mysterious fast radio bursts, or millisecond-long bright flashes of radio waves ... and help determine whether repeating flashes occur in specific types of galaxies, Eftekhari said. The new research ...

Footage from a CCTV camera appeared to show two sets of aircraft in the air before a bright flash of light. President Donald Trump said in a statement: "I have been fully briefed on the terrible ...

When a very high voltage current of electricity is applied, the tube emits a very bright - but very brief - flash of white light. This brief "strobe" of light is good for "freezing" motion in ...

PREVIOUS REPORTS: Strobing, Exploding Projectiles Above Utah WATCH: Salt Lake Valley residents awakened by strange booming crash, flash of white light Loud boom shakes houses, wakes people up in ...