Comet 3I/ATLAS is the third ISO ever detected. It was discovered by the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

New photos captured during the recent "blood moon" total lunar eclipse show that the interstellar comet 3I/ATLAS may be ...

The images of Comet 3I/ATLAS were captured by the Gemini South telescope at Cerro Pachón in Chile on Aug. 27 as the icy ...

New images reveal interstellar comet 3I/ATLAS beginning to grow a signature tail as it zooms closer to the sun ahead of a ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet ...

Comet Lemmon (C/2025 A6) is rapidly brightening and could reach naked-eye visibility in October. Here’s how and when to see ...

A telescope in Chile recently glimpsed 3I/ATLAS' glowing tail, which observations reveal has grown as the interstellar object ...

Gemini South caught Comet 3I/ATLAS “switching on,” as students and astronomers joined to see dust, gas, chemistry from ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system.

"We were excited to see the growth of the tail, suggesting a change in the particles from the previous Gemini images." ...

Telescope observations reveal a growing tail on the comet that's visiting from another star. Released Thursday, the pictures ...