The stunning comet C/2024 G3 lights up the sunset sky over Chile's Very Large Telescope in this spectacular photo.

Why it's so special: Nicknamed the "Great Comet of 2025," Comet C/2024 G3 (ATLAS) is currently the brightest comet predicted to be visible from Earth all year. Discovered on April 5, 2024 by the ...

A newly observed interstellar comet is the most pristine visitor from outer space ever seen in our Solar System, according to a pair of studies released Tuesday detailing its unique characteristics.

The solar wind also blows ions of the comet, creating second ion tail. The fact that C/2024 G3 (ATLAS) was briefly visible during daytime hours is a rare sight indeed. Even astronauts in space ...