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

During September's total lunar eclipse, astronomers captured rare images of interstellar comet 3I/ATLAS glowing green, ...

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the public and even most of our deep space assets. Its hyperbolic orbit tells us ...

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

Named 3I/ATLAS, the comet is only the third known interstellar object to enter our solar system, and it's the largest and ...

This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.

October belongs to Comet C/2025 A6 (Lemmon). This comet is expected to brighten dramatically, potentially reaching naked-eye visibility around its closest approach to Earth on October 21st (with ...

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.

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

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

The ESA/NASA Solar and Heliospheric Observatory (SOHO) has officially discovered 5000 comets. Comet number 5000 was spotted ...