This year, the October sky could offer a rare spectacle: two comets are expected to become visible simultaneously. The first, discovered recently, follows an extremely long orbit. The second, detected ...

If you’ve not seen the two green comets yet, 90 minutes after sunset on Sunday, Oct. 26, is your last best chance before they fade. The brighter Comet Lemmon (C/2025 A6) and much dimmer Comet SWAN ...

Stargazers are in for a treat -- a newly discovered comet is visible in the July night sky. Comet Neowise, discovered in late March, is appearing brighter as it approaches the sun, according to ...

CAPE CANAVERAL, Fla. (AP) — A newly discovered comet is streaking past Earth, providing a stunning nighttime show after buzzing the sun and expanding its tail. Comet Neowise was spotted by the NASA ...

The green comets visible in the night sky are now at their minimum distance from Earth, so they should be at their brightest in the night sky. Comet Lemmon (also called C/2025 A6) and Comet SWAN ...