The 3I/ATLAS will be at its closest to Earth on December 19, at approximately 168 million miles or 270 million kilometers.

I/ATLAS was first discovered in July this year and NASA later claimed that it has emerged outside the Earth's solar system.

Quite a few new things have been observed about the interstellar comet. We are keeping an eye on this visitor to inform you ...

I/ATLAS, a mysterious interstellar comet from beyond our solar system, is turning blue again—and NASA has no clear ...

Middle Kingdom also postpones astronaut return mission after something hit its spaceship China has matched the European Space ...

The object that came from outside the Solar System has sparked major online buzz about it being alien in nature, as Nasa is ...

The motion was passed unanimously on Wednesday by the City Council of Mississauga, the seventh largest municipality in the country and part of the Greater Toronto Area ...

If 3I/ATLAS were indeed a comet, its trip around the Sun in late October and the consequent solar heating should have ...