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

Astronomers are preparing for a rare cosmic event on January 22, when interstellar object 3I/ATLAS will align closely with Earth and the Sun, passing within just 0.69 degrees of the Sun-Earth axis.

The depths of interstellar space have thrown another cosmic puzzle into our solar system. The most recent information about ...

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

INDIANA, USA — Look up in mid-January just after sunset and you'll see a six-planet alignment: Four with your naked eye and two with a telescope. It's a six-planet parade! Tap HERE to track clouds for ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade". Throughout much of January and February, Venus, Mars, Jupiter, Saturn, ...