Professor Avi Loeb of Harvard cited three reasons 3I/ATLAS might be an alien spacecraft. First, its trajectory is highly ...

Stargazers and scientists are getting a holiday present from the cosmos this week. Let’s break the facts of this natural phenomena down because it sounds like it could be the plot of an exciting ...

NASA's SPHEREx and Hubble find mysterious 3I/ATLAS behaving strangely after perihelion. The interstellar visitor's 'mini-jets' defy standard science.

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Add Yahoo as a preferred source to see more of our stories on Google. The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ...

The rare 3I/ATLAS alignment on Jan. 22 coincides with the 'opposition surge' phenomenon. Learn the mystery of this 13-billion-year-old visitor.

Harvard's Avi Loeb reveals 3I/ATLAS has symmetric mini-jets at 120-degree intervals. Could these be propulsion thrusters on an interstellar technological craft?

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Harvard astrophysicist Avi Loeb has published a provocative essay posing a question that sounds ripped from science fiction: ...

Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...