The interstellar comet emitted methane, a potential biosignature, as it passed the sun, physicist Avi Loeb says.

The interstellar object 3I/ATLAS has been assigned a Level 4 rating on the Loeb-Scale, a classification that signals a combination of natural anomalies and features that meet early technosignature ...

The pre-perihelion and post-perihelion observations of the interstellar interloper by Earth-based observatories and ...

Harvard University’s Avi Loeb joins “Elizabeth Vargas Reports” to discuss the latest data about 3I/ATLAS, the interstellar ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

NASA will livestream new 3I/ATLAS images today, Wednesday, Nov. 19, 2025, amid increased public interest in the mystery of the interstellar object after Harvard University astrophysicist Avi Loeb ...

Does 3I/ATLAS have interstellar headlights? Harvard scientist Avi Loeb speculated that NASA’s recently released photos of 3I/ATLAS could potentially point to its artificial origins — and even wondered ...

Astrophysicist Avi Loeb has become a minor celebrity of science since a mysterious object named 3I/ATLAS was first spotted over the summer. Most researchers think it's an intriguing interstellar comet ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...