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Two alien objects visited our solar system, but they weren't from the same neighborhood. Their incredible speeds tell a shocking story of cosmic birth, death, and galactic history.
Astronomers are hunting for alien megastructures that glow like cosmic space heaters in the dark. But a dusty cosmic imposter keeps fooling our best telescopes, making the search for ET harder than ever.
An interstellar comet is visiting our solar system, but it's not just passing through. NASA missions have discovered it's planting the chemical seeds of life across the galaxy.
A mysterious object from another star is visiting our solar system, and NASA says it's just a comet. But a growing debate suggests its behavior could be a sign of advanced alien machinery.
Harvard scientists are teaching AI to recognize every known object in the sky. Their goal isn't to catalog the familiar—it's to find what's hiding in plain sight.
