New observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) indicate that the rogue comet 2I/Borisov, which is only the second and most recently detected interstellar ...

Halley’s Comet naming controversy is reshaping astronomy history after new medieval research revealed a forgotten discovery ...

Historic Martian snapshot: Perseverance rover imaged comet 3I/ATLAS from Mars, marking the first surface-based photo of an interstellar object from another planet. Cold cosmic origins: ALMA ...

Astronomers have found archival data showing a one-of-a-kind event where a spinning comet appeared to reverse the direction of its rotation, NASA said in a news release. The comet, named ...