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

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

Water is the universal yardstick of comet science, the baseline for measuring how sunlight drives a comet's activity and ...

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS ...

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

Researchers have discovered that interstellar comet 3I/ATLAS has been shedding water, providing insights into the building ...

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

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

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

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

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

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