Scientists spotted an oddly shaped visitor in our solar system in 2017. And it was accelerating in an unexplainable way. Unsurprisingly, it's actually an icy comet, not an alien spaceship. And ...

When the first object ever known to have visited the Earth's solar system from outer space zoomed past in 2017, it was so strange that at least one leading astronomer was convinced it was an alien ...

The first interstellar object to visit the solar system may have been a fragment of an icy exoplanet, research suggests. When 1I/'Oumuamua was first spotted in 2017, astronomers quickly determined ...

'Oumuamua is the first known object from an alien solar system detected passing through our own. Pronounced Oo-MU-ah-MU-ah, the name comes from the Hawaiian 'oumuamua, meaning "first distant messenger ...

The mystery surrounding a space object that has baffled astronomers for more than five years appears to have been solved. The irregularly shaped object about the size of a football field is not an ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Scientists have come up with a simple ...

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In November 2017, scientists pointed NASA’s Spitzer Space Telescope toward the object known as ‘Oumuamua — the first known interstellar object to visit our solar system. The infrared Spitzer was one ...

Scientists have come up with a simple explanation for the strange movements of our solar system's first known visitor from another star. In October of 2017, astronomers in Hawaii spotted an object ...