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.

Astronomers have spotted only three objects known to have come from outside our solar system. The newest, called 3I/ATLAS, is already raising eyebrows. First seen this summer, it doesn’t quite behave ...

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 ...