It was inferred to have a disk-like shape and to exhibit non-gravitational acceleration, raising the possibility of an ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Astrophysicist Josep Trigo-Rodriguez, from the Institute of Space Sciences near Barcelona, Spain, believes it's an ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

It currently sits around 420 million miles (or 670 million kilometres) from Earth. Astronomers have since confirmed its ...

The interstellar object has been named 3I/Atlas by the International Astronomical Union’s Minor Planet Center.

Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

The ESA says the object - which has been designated A11pl3Z - is currently several hundred million miles away from Earth, ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...