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 ...

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

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

Deep space has just delivered a cosmic curveball: an object that behaves so strangely it appears to break the rules astronomers use to describe how the universe grew up. The discovery centers on an ...

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 July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

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

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

Interstellar comet 3I/ATLAS sparks debate over its ancient origins and 'anomalous' signals as it prepares for a final high-resolution pass by Jupiter in 2026.

Scientists confirmed the object originated outside our solar system due to its high speed and trajectory. The comet poses no danger and will pass about 170 million miles from Earth. While not visible ...