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" ...

"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...

The strange 3I/ATLAS comet that was recently discovered to be speeding through our solar system could actually be the work of ...

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 ...

I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that ...

This object, NASA states, was eventually dubbed Comet 3I/Atlas. It is only “the third known object from outside our system to ...

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 ...