To determine whether the 3I/ATLAS comet is a technological or natural object, Loeb created a new scale that goes from zero to ...

Is 3I/ATLAS an alien space probe? An irregular comet? Debate rages around status of 3rd interstellar object ever spotted. Harvard astrophysicist Avi Loeb discusses implications with ‘Magazine.

NASA's James Webb Space Telescope (JWST) captures photos of 3I/ATLAS on August 6, 2025, which reveal certain elements in its coma.

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for ...