The ESA/NASA Solar and Heliospheric Observatory (SOHO) has officially discovered 5000 comets. Comet number 5000 was spotted in SOHO images. Credit: NASA's Goddard Space Flight Center Producer: Lacey ...

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 ...

A Canadian astrophotographer's image of interstellar comet 3I/ATLAS, captured with a $500 telescope, has sparked debate ...

Is the interstellar comet 3I/ATLAS spinning? That is the question currently dominating online astronomy circles, fueled by ...

Following the images NASA released of 3I/ATLAS, a Canadian astrophotographer has managed to capture what might be the ...

New telescope observations reveal structural features never documented in any known celestial object The morphology defies conventional understanding. The forward anti-tail persists where physics says ...

Comet ATLAS (C/2025 K1) has been traveling through the Ursa Major constellation since November 24 and it's the golden hue ...

Comet ATLAS (C/2025 K1) has recently exploded into at least three bright, golden fragments, offering a celestial spectacle reminiscent of a cosmic Thanos snap.

The impacts that started on July 16, 1994 ended on July 22, 1994, were captured by NASA’s Galileo orbiter that was enroute to ...

Earlier this week, NASA officials released long-delayed images of interstellar visitor 3I/ATLAS.

Interstellar comet 3I/ATLAS is leaving our solar system forever. Discover how it was found, and what this rare visitor ...