MYSTERY WIRE — Military and intelligence officials say they remain baffled by unusual, unidentified aircraft that have been encountered in recent years off both coasts of the United States. Many of ...

Sweeping winds of vaporized metals have been found in a massive cloud that dimmed the light of a star for nearly nine months.

A strange, starless cloud on the edge of a nearby galaxy is forcing astronomers to confront one of the biggest unknowns in physics. The object, nicknamed Cloud‑9, looks like a wisp of hydrogen gas, ...

Astronomers just found a ‘mystery object’ surrounded by a metallic wind cloud - The cloud and its mystery object are at least ...

Roughly a year ago, astronomers announced that they had observed an object that shouldn’t exist. Like a pulsar, it emitted regularly timed bursts of radio emissions. But unlike a pulsar, those bursts ...

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