A viral tweet claims new XRISM images show interstellar comet 3I/ATLAS glowing like a spaceship engine, fuelling speculation that it may be an alien probe. Here is the truth behind the theory and what ...

The mysterious space rock suggested to be a hostile alien spaceship was due to make its closest approach to Earth today (Dec ...

A comet from another solar system has given rise to reports that it is in fact an alien spaceship. The comet – named 3I/ATLAS – was discovered this summer and led to excitement because it appears to ...

Physicist Brian Cox says he’s disappointed to see people focus on alien theories when discussing 3I/ATLAS, which he notes is older than Earth ...

NASA released images of the interstellar comet 3I/ATLAS, the third interstellar comet that NASA, ESA and other global agencies have tracked. Photo by NASA Nov. 20 (UPI) --NASA released images of the ...

ATLAS made its long-awaited nearest approach to Earth on Friday but just hurtled past, showing that the aliens who "sent" it ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...