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, ...

In the century or so since Edwin Hubble discovered that the Milky Way is just one of countless galaxies in the universe, our understanding of our home galaxy has grown in leaps and bounds. But as ...

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Locals in this town have been rocked. In Thailand, mysterious black objects falling from the sky have puzzled locals. A couple in Phatthalung, a province near the Malaysian border, discovered the ...