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

The other two known interstellar comets did not offer such an opportunity.

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

Though 3I/ATLAS poses no threat to Earth or our satellites, its journey highlights how the networks we built for planetary defence are now being used for 'interstellar archaeology'. As Earth slips ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since April 2024 Look up throughout the year to catch a wide array of astronomical ...

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