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Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...

The mystery of ‘Oumuamua may finally be solved. This video explains the latest scientific breakthrough behind its unusual ...

The astronomers operating the Pan-STARRS1 telescope on the island of Maui were not expecting to hit cosmic paydirt on Oct. 19, 2017—but they did. On what was otherwise an ordinary night of skygazing, ...

Remember Oumuamua, that weird and allegedly alien object that flew past Earth back in 2017, when we were all so young and starry-eyed? Now, some scientists have a new and boring explanation for what ...

Scientists presented a plausible explanation for the first interstellar object to enter our solar system. The theory dispels far-reaching theories that it was an alien spacecraft. The latest theory, ...

Where does Oumuamua, the mysterious interstellar flying object discovered in 2017, come from? Astronomer Robert Weryk spotted ...

In 2017, a bizarre cigar-shaped object dubbed ‘Oumuamua zipped through our solar system. It was the first time astronomers had seen an interstellar object pass through our solar system — meaning ...

In 2017, ‘Oumuamua appeared in the sky as the first confirmed interstellar object. We still aren't entirely certain what ‘Oumuamua was—though we can be mostly certain it wasn't an alien spacecraft.