Astronomers have spotted only three objects known to have come from outside our solar system. The newest, called 3I/ATLAS, is ...

Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.

He said images from the Hubble Space Telescope show a glow in front of the object, but no tail behind it. Usually, comets ...

A mystery object tearing towards Earth at break-neck speed has raised fears that aliens are on their way here.

Suppose a spacecraft already in Jupiter orbit could be reused to pursue an interstellar visitor? That is the question behind a daring plan to send NASA’s Juno spacecraft on a course for 3I/ATLAS, the ...

A Harvard scientist has suggested a 'hostile' object coming at us on Earth is an advanced 'mothership' after a warning was ...