China’s Tianwen-1 orbiter captured a faint but remarkable view of 3I/ATLAS as the interstellar comet raced past Mars. The ...

Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before. In the gas around it, they found isotope ratios that do not match the ...

Astronomers pointed two of the world’s most sensitive radio telescopes at 3I/ATLAS, the third confirmed interstellar object ...

The most sensational story of the year for astronomers has been the discovery of the comet 3I/ATLAS, which was first observed on July 1, 2025 by NASA's Asteroid Terrestrial-impact Last Alert System ...

3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft. The images, captured ...

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

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 ...

Harvard astronomer, Avi Loeb, speculates it could be an artificial alien object. NASA experts maintain that the object appears to be a natural comet with unique variations. Rare interstellar object 3I ...

The earliest images of 3I/ATLAS, newly uncovered by Michigan State University, reveal how the interstellar object evolved as it traveled through our solar system—and how other distant solar systems ...

NASA’s Europa Clipper spacecraft has captured images of interstellar comet 3I/ATLAS as the object — perhaps the oldest ever seen by astronomers — whizzes through the inner solar system. On Nov. 6, ...

Update: Friday, December 19, 8:16 a.m. ET: The Virtual Telescope Project 2.0 has postponed its livestream of 3I/ATLAS’s Earth flyby to Friday, December 19, starting at 11:00 p.m. ET. Original article ...