Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Researchers from the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences and Columbia University ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

For only the third time in history, astronomers have discovered a new interstellar object that originated from outside our ...