Despite some similarities and speculation, the new comet likely originated from our solar system's Oort Cloud and is not directly connected to 3I/ATLAS. The comet will make its closest approach to ...

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"This comet was not supposed to survive its Oct 8th perihelion (0.33 AU)," Bartlett told SpaceWeather.com. "But it did survive, and now it is displaying a red/brown/golden color rarely seen in comets.

A rapid surge in the brightness of interstellar comet 3I/ATLAS as it neared its closest approach to the sun on Wednesday October 29 was observed by watching spacecraft. Earlier this week, Harvard ...

A comet that was discovered in January will make its closest approach to Earth on Tuesday. If you don’t see it this time around, the only way to see it again is with the help of time travel because it ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that won’t return until the next millennium. Comet C/2025 A6 (Lemmon), captured ...

A comet discovered earlier this year, now just bright enough to be visible to the naked eye, is poised to be among the top celestial events of 2025. Known as C/2025 A6 (Lemmon), this celestial ...

See Comet Lemmon shine in the skies over England in a new sunset portrait. Award-winning astrophotographer Josh Dury has captured a stunning view of Comet C/2025 A6 (Lemmon) shining in the sky over ...

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 European Space Agency’s ExoMars Trace Gas Orbiter captured images of 3I/ATLAS on October 3. ESA / TGO / CaSSIS 3I/ATLAS, the rare comet currently making headlines as it travels through our solar ...

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 ...