NASA astronaut Don Pettit captured an image of the G3 from space. "It is totally amazing ... Photographers reported on social media seeing the comet in Orange, NSW, in Victoria's Mt Dandenong ...

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.

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 ...