The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

NASA has discovered the third known interstellar object to pass through our solar system, but the icy snowball object poses ...

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

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...