A researcher has captured comet 3I/ATLAS glowing green and hiding its tail in a new image from the Lowell Observatory's powerful Discovery Telescope as we enter a critical observation phase for the ...
A newly discovered comet, C/2025 A6 (Lemmon), is gaining attention as it heads toward Earth for a close flyby this October. With a distinctive lime-green glow, this comet could soon be visible ...
NEW YORK (AP) — 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 ...
When a faint green smudge appeared in images from a backyard telescope in Aguadilla, Puerto Rico, on Nov. 22, 2025, astronomers did not expect it to upend basic assumptions about how comets work. Yet ...
As Comet 3I/Atlas whizzes past Earth and Clash of Clans is threatened by a looming asteroid, YouTube scientist Hank Green ...