Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the ...

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

This annual showcase highlights some of the world's best space photography, with winners, runners-up, and highly commended ...

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

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

Astronomers have captured a stunning new image of the interstellar intruder 3I/ATLAS, seeing its growing tail and glowing ...

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

Astronomers and students teamed up to capture a stunning new image of interstellar Comet 3I/ATLAS, showcasing its growing ...

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

First, they captured detailed images of the comet using the Gemini South Telescope in Chile, revealing a massive coma and a dust tail extending 35,000 miles. Even more shocking was the large amount of ...

COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — marking only the third time in history that an interstellar object has entered ...