Recently, an interstellar comet that began outside of our solar system has just made its closest pass of the sun.

Tianwen 1 has spotted the solar system's latest interstellar intruder from Mars orbit. China's Tianwen 1 Mars orbiter has ...

Astronomy enthusiasts and skywatchers alike have a reason to look up this December, as Comet 3I/ATLAS, a rare interstellar ...

Interstellar object 3I/ATLAS is showing signs of "non-gravitational acceleration" as it reached its perihelion.

Skywatchers across Oman have been treated to a celestial spectacle with the rare appearance of Comet C/2025 R2 SWAN — a ...

In the autumn of 1577, a bright light blazed across the skies of Europe, Asia, and the Americas, igniting wonder, fear, and a revolution ...

Comet 3I/ATLAS, a 7-billion-year-old visitor from another star system, is stirring alien rumors. Scientists explain why the ...

Interstellar comet 3I/ATLAS is accelerating unexpectedly as it moves away from the Sun and towards Earth. New observations suggest the visitor may have lost significant mass during its solar encounter ...

A European rocket launch created a glowing spiral in New Brunswick’s evening sky Tuesday, but astronomers identified it as a routine satellite mission.

New photos show that the recently discovered comet C/2025 K1 (ATLAS) developed a surprising golden glow after reaching its ...

NASA confirms 3I/ATLAS visible tonight — learn when and where to spot the rare interstellar comet lighting up Earth's skies ...