Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...
New photos show that the recently discovered comet C/2025 K1 (ATLAS) developed a surprising golden glow after reaching its ...
Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.
Full Supermoon . See the biggest and brightest moon of the year—the full supermoon—on the evening of Nov. 5. The moon will ...
Usually, sunlight makes cometary gases glow green from diatomic carbon (C2) or blue from ionized carbon monoxide (CO+). With ...
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 ...
Keep an eye on the night sky in October—you might catch a falling star! The Orionid meteor shower reaches its peak on the ...
Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...
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 ...
Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what's known as the Oort ...
The sky is filled with rare celestial treats this week. Want to spot some cool comets? Here's what to know about comets ...