We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

Interstellar comet 3I/ATLAS, a 7.5-billion-year-old visitor from the early galaxy, is offering scientists a rare glimpse into ...

The spacecraft in question are NASA’s Europa Clipper, going to the eponymous icy moon of Jupiter, and the European Space ...

Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large ...

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

The Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope discovered the interstellar comet 3I⧸ATLAS - NASA ...

Astronomers are watching a new comet pass through our solar system with great interest. Based on its glow, the 33-billion-ton ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

Through the end of the month, look to the northwest after sunset to catch a glimpse of the comet and its bright green glow.