At Mars this weekend, it's all eyes on the skies. Our robotic explorers – in orbit and on the ground – will attempt observations when Comet 3I/ATLAS cruises past the Red Planet on Oct. 3. go.nasa.gov/3iatlas | NASA Mars

Comet Lemmon Will Brighten This Month - A new comet is racing toward the Sun, growing brighter with each night. But will we truly see it, or will city lights erase its ghostly glow? According to the Comet Observation Database, Comet Lemmon could soon shine bright enough for the naked eye. How rare is such an event, and what makes this icy traveler so special? Watch to uncover the mystery before it fades from our sky. | The Brain Maze

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