A team of researchers has presented the wild theory that an interstellar object might be hostile "alien technology" that could reach Earth in fall 2025. According to Live Science, the paper is ...

What made the pulses puzzling to the astronomers was that they came in the form of both radio waves and X-rays. The discovery marks the first time that such objects, called long-period transients, ...

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 ...

Is it an alien spaceship or an ancient comet? That’s the question puzzling UFO enthusiasts, NASA, and the European Space Agency since an interstellar visitor entered our solar system last month. It ...

Astronomers have discovered a strange new object in our Milky Way. An international team reported Wednesday that this celestial object — perhaps a star, pair of stars or something else entirely — is ...

It’s probe-ably nothing. The newly discovered Manhattan-sized interstellar object zooming through our solar system has been identified as a comet — but two Harvard scientists argue there is reason to ...