Latest about Comets
Interstellar comet 3I/ATLAS likely formed where its star's light couldn't touch it
"Every one of these objects we study helps us understand a little more about how planets form around other stars."
Scientists watch a comet being born 3 billion miles away
A rare look at a centaur transforming into a comet with coma is providing a missing link in the evolution of small, icy solar system bodies.
Comet McNaught put on a surprise show this summer: Here's how to spot it before it fades
Comet McNaught brightened dramatically during two outbursts around perihelion as it made a close approach to the sun.
Green comet caught soaring over Namibia | Space photo of the day for Aug. 12, 2026
A shot so spectacular it will leave other astrophotographers green with envy.
After nearly 30 years, NASA realized this near-Earth asteroid is actually a comet. The discovery may help us defend the planet some day
Astronomers discovered that a near-Earth asteroid is actually a comet that could help scientists identify more hidden comets and improve planetary defense.
More clues surface about the origins of interstellar comet 3I/ATLAS
Observations of the fast-moving interstellar comet with the Very Large Telescope in Chile support similar observations made by the JWST.
NASA looks for the origins of interstellar comet 3I/ATLAS | Space photo of the day for June 24, 2026
NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet 3I/ATLAS.
Interstellar comet 3I/ATLAS is blasting out a bunch of methane. Here's why that's weird
The James Webb Space Telescope observed a large amount of methane around 3I/ATLAS, revealing just how different it is from comets from our solar system.
