A new interstellar comet has emerged, shaking up our existing understanding of these celestial bodies. Displaying surprising characteristics in both its composition and behavior, it challenges ...

A recently discovered comet is becoming more active as it flies through our solar system toward the sun. That’s according to experts at the National Science Foundation's NoirLab, who have been ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A comet named 3I/ATLAS likely weighs more than 33 ...

The Interstellar Comet 3I/ATLAS is on a trajectory bringing it closer to our planet, and intriguing new research suggests that it may not be the only celestial body of its kind on this path.

Right now a comet is hurtling through our solar system at more than 137,000 miles per hour. But it is not just this interstellar object’s speed that has earthly astronomers glued to their telescopes.

Comet 3I/ATLAS is the third ISO ever detected. It was discovered by the Asteroid Terrestrial-impact Last Alert System (ATLAS) station on 1 July 2025. It's traveling through the inner solar system at ...

Comet 3I/ATLAS is just the third observed interstellar object ever witnessed in Earth's solar system. The Gemini South telescope in Chile is the latest observatory to get a glimpse of the object as it ...

A newly discovered interstellar comet is puzzling astronomers as it speeds through our solar system with a chemical profile unlike anything seen before. Officially named 3I/ATLAS, it's only the third ...