Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

The photos reveal a bright and well-developed coma, the cloud of gas and dust surrounding the comet's nucleus, with striking ...

Astronomers continue to track Comet 3I/ATLAS, the third-ever discovered interstellar object, passing through our solar system using ground-based telescopes to document this striking cosmic visitor.

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was discovered using wide-field imaging. The Subaru Telescope has spotted a distant ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

A huge object, possibly as big as Manhattan, has entered our Solar System and it might be more than just a rock. Some scientists now say it could ...

Despite the powerful telescopes that modern astronomers have to work with, the distant reaches of the Solar System are still ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

For only the third time in history, astronomers have discovered a new interstellar object that originated from outside our Solar System. The James Webb Space Telescope has captured a planet's death ...