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Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

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Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

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Unlike ʻOumuamua's eerie lack of coma or Borisov's more predictable gas cloud, 3I/ATLAS stayed stubbornly inert until late, ...

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The Electric State, War of the Worlds, and Lilo & Stitch are all among the absolute worst and most disappointing science ...

Interstellar object 3I/ATLAS has triggered a global scientific alert after emitting mysterious radio signals, prompting NASA ...