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Scientists Think Visitors From Another Star System May Have Infiltrated Our Galactic Neighborhood

created: Feb. 19, 2025, 2 p.m. | updated: March 19, 2025, 5:36 p.m.

<p>Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home.</p>

10 months ago: Latest Content - Popular Mechanics