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 ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a ...

The second object that strayed from another solar system to ours was 21/Borisov. It was discovered in 2019 and is believed to ...

Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...

Avi Loeb suggested that NASA may have rushed to conclusions by ruling out the possibility of an artificial aircraft.

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Loeb has developed what he calls the 'Loeb Scale', a ranking system to evaluate the likelihood that an object is artificial, ...

A Harvard astronomer explained why an unidentified object detected this summer could potentially be an alien spacecraft.Avi Loeb, the chair of the university's astronomy department, appeared Thursday ...

Yet NASA - and other experts - do not share his concerns and maintain 3I/ATLAS is simply an interstellar comet, thought to be around 7 miles (11.2 kilometers) wide. The US space agency has been ...

Scientists have uncovered microscopic clues buried deep in the ocean floor that could support a bold theory — a comet ...

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