Astronomers are preparing for a rare cosmic event on January 22, when interstellar object 3I/ATLAS will align closely with ...

A January 2026 Earth–Sun alignment allows measurements of the opposition surge from interstellar object 3I/ATLAS using ...

The night sky is about to reveal a secret that has been drifting through the cold vacuum of space for nearly the entire ...

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

Meanwhile, on its way out of the solar system, on March 16, 2026, 3I/ATLAS will encounter one of the farthest of Jupiter’s ...

Though 3I/ATLAS poses no threat to Earth or our satellites, its journey highlights how the networks we built for planetary ...

A stunning photo of a "parade of planets", shows Mars, Jupiter, Uranus, Saturn, Venus, Neptune, and Mercury in alignment from Earth. The image could be the first of its kind. When you purchase through ...

A massive celestial alignment will cut off all communication between Earth and the Red Planet until January 21. Learn why the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth could be about to record its fastest-ever rotation.