In the vast, quiet theatre of deep space, not many things capture the human imagination like a traveler from another world.

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

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 ...

Comet 3I/ATLAS, an interstellar visitor, reaches its closest approach to Earth on Dec 19 at about 167 million miles - visible ...

A mysterious object the size of Manhattan could be a hostile alien spacecraft and may attack Earth in November, according to a new study. The researchers suggest the object's orbit is such that it ...

Incredible but true! A Harvard astrophysicist puts forward a startling hypothesis: comet 3I/ATLAS could be an alien ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

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

Avi Loeb, a physicist from Harvard University in the US, has recovered 50 tiny spherical iron fragments from the bottom of the Pacific Ocean that he claims may be material from an interstellar alien ...

A cigar-shaped interstellar object that flew past the sun could be an alien spacecraft, researchers from Harvard University have said. Scientists have been trying to figure out what the 1,312ft (400m) ...

Our community members are treated to special offers, promotions and adverts from us and our partners. You can check out at any time. More info A mysterious object the size of Galway could potentially ...