Rare Comet Brightens Night Skies in October

Comet C/2023 A3 (ATLAS-Tsuchinshan) as seen from Eure-et-Loir, France, on June 6, 2024. Nicolas Biver via AP

NEW YORK—Prepare to spot a rare, bright comet.

The space rock is slinging toward Earth from the outer reaches of the solar system and will make its closest pass on Saturday. It should be visible through the end of October, clear skies permitting.