The interstellar comet 3I/Atlas reached its closest point to the sun. Here's how to follow the rest of its journey away from ...

Perihelion is the point on an orbital course that brings a body closest to the sun. C/2025 K1 (ATLAS) is an Oort cloud comet ...

Is 3I/ATLAS visible in sky and why NASA is not able to get clear picture? The interstellar comet 3I/ATLAS has reappeared ...

Contextualizing speed and distance helps set expectations. Around perihelion, 3I/Atlas is moving at roughly 68 km per second. Its closest approach to Earth is about 1.8 AU, near December 19, which is ...

Contrary to claims that 3I/ATLAS is no longer from Earth, space experts claim that the Manhattan-sized comet can now be captured by anyone with basic viewing equipment. Astronomer Yicheng Zhang ...

The interstellar comet has reappeared after months hidden behind the sun, offering astronomers fresh clues about how comets ...

Scientists have confirmed that comet 3I/Atlas is visible again following its close approach to the Sun, sparking fresh ...

The icy body achieved its nearest point to Earth on Tuesday, October 21, passing at a distance of approximately 55.5 million kilometers (under 0.6 Astronomical Units).

What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned about its origin, chemistry, and trajectory ...

Learn what makes Comet 3I/Atlas, the third interstellar object ever observed entering into our solar system, so significant ...

Is 3I/Atlas an alien spacecraft or just a really interesting rock hurling through the cosmos? That debate has been raging ...