The interstellar comet 3I/ATLAS, racing through our solar system at unprecedented speeds, has ignited a fascinating debate among scientists, researchers and space enthusiasts alike. With its unusual ...

"It tells us that the ingredients for life's chemistry are not unique to our own." A rocky visitor from beyond our solar system is leaking water like a "fire hose running at full blast," a new study ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a very different structure than comets in the solar system. Hydroxyl compounds ...

The past month has seen Comet C/2025 A6 (Lemmon) brightening rapidly ahead of its close approach to the sun, leading to growing excitement that it could shine brightly enough to be seen by the naked ...

A mysterious interstellar comet — just the third such object ever confirmed to have entered our solar system — streaked past Mars last week. A spacecraft in orbit around the red planet had a front-row ...

The comet is only the third interstellar object recorded in the solar system. Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed ...

A newly discovered comet, Comet Lemmon, will make its closest approach to Earth on Oct. 21. The comet may be visible to the naked eye in late October, best viewed in a dark sky location. If you miss ...

NASA's Perseverance rover may have captured early images of interstellar comet 3I/ATLAS. While a viral photo shows a bright, cylindrical object, experts suggest it's likely a photographic artifact ...