A rare encounter of two comets this week will have stargazers in awe after nearly a year of no easily seen comets.

According to one hypothesis, the comet is responsible for giving humans the swastika symbol, thousands of years in the past.

Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can watch the ...

This comet is best seen through a telescope or binoculars, but it may be visible to the unaided eye for the next two weeks!

A pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

This long-duration comet will make its closest approach to Earth this fall, before disappearing into the outer solar system ...

Comets Lemmon and SWAN are making their closest approach to Earth in a rare cosmic treat. Can you see it in NJ? Here's timing ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage ...