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

Interstellar objects are so uncommon as to be subject to observation only once every few years and so far we learn something ...

Interstellar comet 3I/ATLAS is tearing across the inner solar system at roughly 130,000 miles per hour, a speed that turns ...

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

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 ...

In a new study done with data compiled from the SPHEREx observatory, researchers found “increased post-perihelion activity” ...

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. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Robert Lea (created ...

Two images of 3I/ATLAS, an interstellar object. The left image shows it through multiple color filters moving quickly through a field of stars. The right image combines each photo to show the comet’s ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

NASA's 3I/ATLAS interstellar visitor sparks debate as Harvard's Avi Loeb suggests alien origins. Discover the 'X' shaped ...

Is it alien? Is it natural? Those questions have followed the interstellar comet known as 3I/ATLAS since it entered our solar system last year from beyond our own star system. A new study released ...