A newly released image of the interstellar object known as 3I/ATLAS is quietly reshaping how planetary defence teams think about unknown space threats. Captured as the object exited the inner Solar ...

Fears of extraterrestrial probes rise with 3I/ATLAS's sunward jet, but NASA debunks: routine comet activity ahead of 29 Oct 2025 perihelion. The deep cosmos is often viewed as a realm of chaotic ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth When Comet 3I/ATLAS roared into the solar system this ...

Interstellar comet 3I/ATLAS is seen in this composite image captured on Nov. 6 by the Europa Ultraviolet Spectrograph instrument on NASA’s Europa Clipper spacecraft, from a distance of around 102 ...

NASA is under renewed scrutiny following allegations that it withheld high-resolution images of the interstellar comet 3I/ATLAS, prompting speculation about what the agency knows—and why it has stayed ...

A comet from another star system is due to make its closest—and final—approach to Earth this week before it continues on its journey back toward interstellar space. Interstellar Comet 3I/ATLAS will ...

The arrival of 3I/ATLAS in our solar system spawned multiple proposals for a rendezvous mission to study it up close. As the third interstellar object (ISO) ever detected, the wealth of information ...

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 ...

On October 29, Comet 3I/ATLAS reached its closest point to the Sun. This point, known as perihelion, was around 210 million kilometres from the Sun, or 1.4 times the distance between the Sun and Earth ...