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

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 ...

Don't miss out on our latest stories. Add PCMag as a preferred source on Google. Is an alien spacecraft visiting our solar system? A wave of videos featuring famed physicist Michio Kaku making that ...

THE United Nations has officially confirmed the Earth’s planetary defences will be tested by the bizarre 31/ATLAS comet that conspiracy theorists are convinced is an alien spacecraft. Today a global ...

This image captures a small portion of the Vera C. Rubin Observatory's full view of the Virgo galaxy cluster, as part of a collaborative effort between the NSF and DOE. NSF-DOE Vera C. Rubin ...

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) ...

Earlier this month, astronomers made a fascinating discovery: a mysterious object with interstellar origins, now dubbed 3I/ATLAS, that's hurtling toward the inner solar system at extreme speeds. As ...

Scientists might have worked out how to hear from aliens. If extraterrestrial life is communicating with its spacecraft in the same way we do, then those messages may be detectable from Earth, new ...

Comet 3I/ATLAS, an interstellar visitor, reaches its closest approach to Earth on Dec 19 at about 167 million miles - visible only with a strong telescope. Newsround speaks to an astrophysicist to ...

Comet 3I/ATLAS has been photographed several times as a glowing streak in the sky (Picture: International Gemini Observatory) Nasa has released new images of 3I/ATLAS, a stray comet from another world ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS ...

A new research paper, written by a prominent Harvard astrophysicist, has claimed a mystery object in our Solar System could be an alien spacecraft which may attack Earth in just months An artist's ...