Comet Lemmon will be visible during October 2025 during the Orionid and Taurid meteor showers, creating a month of potential comets, "shooting stars" and fireballs. (2024's Comet 12P/Pons-Brooks is ...

The comet C/2025 A6 (Lemmon) over Texas in September 2025. (Julien De Winter & Victor Sabet) Two greenish-hued comets are swinging through the inner solar system this fall, offering a rare chance to ...

Two greenish-hued comets are swinging through the inner solar system this fall, offering a rare chance to spot them in the coming weeks. The comets, named C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are ...

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 rare interstellar comet — only the third ever confirmed to enter our solar system — was photographed last week, closely approaching Mars, the European Space Agency said Tuesday. The images taken on ...

Skywatchers may be able to spot not one but two comets this October, which would give the night sky a new level of sparkle. Seeing more than one comet a month is remarkable and fairly uncommon. C/2025 ...

A European Space Agency spacecraft orbiting Mars caught a glimpse of interstellar comet 3I/ATLAS last week. Credit: ESA / D. Ducros illustration As a visitor from another solar system made its closest ...

Three newly discovered green comets are currently visible from Earth with the help of binoculars or a telescope, and a fourth-an interstellar visitor-will become visible again soon. Their unusual ...

The European Space Agency's ExoMars orbiter has captured the closest view yet of the interstellar comet 3I/ATLAS. The images reveal the comet's bright coma but show no signs of a tail. Soaring 18.6 ...