The universe's unexplained phenomena, such as mysterious signals and invisible matter, challenge scientists to uncover deep ...

A US Air Force pilot witnessed an unidentified flying object while on a classified mission in California. The object, ...

Mysterious places on Earth such as the Eternal Flame Falls and Fairy Circles still baffles scientists around the world.

Radioactive spike found in Pacific seabed samples. It could be from space radiation or changes in ocean currents 10 million ...

Something unusual is happening in the oceans. Strange deep-sea creatures are surfacing, and marine life is behaving ...

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Learn how time scales for objects thousands versus millions of years old could be better synchronized.