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

Abraham Loeb has theorized that the recently discovered interstellar object 3I/ATLAS could be alien technology, but ASU's ...

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.

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

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

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

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

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.

A comet that was born in another solar system and could be billions of years old is hurdling through Earth’s solar system — a ...

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