A sungrazing comet's final moments were captured by the ESA/NASA Solar & Heliospheric Observatory on August 11, 2021. | Space.com

A comet from another star system is flying through ours. The comet, named 3I/ATLAS, is only the third known interstellar object ever observed in our solar system. First spotted in July 2025 by the ATLAS telescope in Hawaii, it didn’t take long for astronomers to realize it wasn’t from here. Its speed and trajectory made it clear: this comet came from deep space. At its closest point to the Sun – called perihelion – 3I/ATLAS was hidden from Earth’s view, blocked by the Sun. But Mars was perfectly

Comet SWAN Passes Earth Tomorrow - Tomorrow, a mysterious traveler from the edge of the solar system will pass by Earth. What makes Comet C/2025 R2 (SWAN) so special? How bright will it shine, and where can it be seen? According to the Comet Observation Database in Slovenia, its glow could already reach the naked eye. A brief cosmic moment, closer than you might think. | The Brain Maze