Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

Is it a spaceship carrying aliens from a alternate universe? Could it be an 11-billion- year-old comment suddenly visible in ...

NASA's Hubble Space Telescope got an up-close look at a headline-grabbing object known as 3I/ATLAS that has wandered into Earth's cosmic neighborhood.

A Harvard scientist who claims that an object hurtling through space may not be a comet but in fact an alien probe has said it 'may come to save us or destroy us'.

A senior Harvard astronomer has reignited speculation about the origins of a vast interstellar object hurtling through the ...

Harvard's Avi Loeb suggests comet 3I/ATLAS could be alien tech, but most scientists say it's a natural interstellar object with no threat to Earth.

The Hubble Space Telescope captured the best picture yet of a comet visiting our solar system from another system. The photos ...

The latest observations of 3I/ATLAS suggest it resembles comets from the outer reaches of our solar system, but may be ...

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A Harvard physicist has asserted that new images of the Manhattan-sized interstellar object rocketing through our inner solar ...

NASA's Hubble Space Telescope has captured an incredible image of an alien comet that's soaring through our galaxy from ...