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

Meanwhile, on its way out of the solar system, on March 16, 2026, 3I/ATLAS will encounter one of the farthest of Jupiter’s moons, Eupheme. Prof. Loeb wants the astronomical community to keep a close ...

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 ...

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

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 ...

In the velvet darkness of our solar system, a mysterious traveller is currently making its grand exit, leaving a trail of scientific intrigue and whispered theories of 'extraterrestrial' technology in ...

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