American space agency NASA says the SPHEREx telescope has begun returning science data, and it will all be shared with the ...

In a rare astronomical event, astronomers have confirmed the passage of an interstellar object through our solar system.

Designated 3I/Atlas, this is likely the largest yet detected and has been classified as a comet, or cosmic snowball ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system — only the third ...