Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

Comet C/2025 A6 (Lemmon), captured from the Dark Sky Alqueva Observatory in Portugal on October 2, 2025, glows green as it nears its closest approach to Earth. Here’s how to see this rare green comet ...

Perihelion is the point on an orbital course that brings a body closest to the sun. C/2025 K1 (ATLAS) is an Oort cloud comet ...

A pair of newly discovered comets are making a rare double display in the night sky this week. SWAN and Lemmon, both of which were discovered this year, have reached their closest points to Earth in ...

The night sky is set to deliver a celestial spectacle as the interstellar comet 3I/ATLAS becomes visible from Earth tonight.

In a rare doublecosmic treat and once-in-a-millennium visit from an icy green comet, stargazers can look to the night sky through October 2025 to view Comet Lemmon and Comet SWAN, which will be ...

Stargazers are in for a once-in-many-lifetimes opportunity this week as a comet will be visible passing by Earth for the last time for over a millennium. Comet C/2025 A6—also known as “Comet Lemmon”— ...

Wisconsin sky watchers have a final chance to see two comets, along with a meteor shower, this week. Comets Lemmon (C/2025 A6) and SWAN (C/2025 R2) are both currently visible, while the Orionid meteor ...

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 bright new solar system comet could put on a show in the October night sky as it zooms past Earth. Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly.

A photographer says he feels "very lucky" to have captured Comet C/2025 A6. Also known as Comet Lemmon, it was first detected ...