Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a very different structure than comets in the solar system.

Comets tend to have two tails. One is known as the dust tail, and it tends to be more curved, while the other, known as the ...

The comet is one of only three of its kind recorded in history. But others think there could be more to this celestial object ...

The first images from Mars of the Manhattan-sized interstellar object 3I/ATLAS have been released as NASA has gone radio ...

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

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

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

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

NASA's Perseverance Mars rover may have captured an image of interstellar comet 3I/ATLAS streaking across the sky above the Red Planet.

NASA confirms 3I/Atlas poses zero threat, with its closest Earth approach a safe 270 million kilometres on 21 July 2025—over ...

The new images of interstellar 3I/ATLAS were captured by NASA Perseverance Rover on October 4, 2025 as the mysterious object ...

NASA's Mars Perseverance rover has seemingly managed to snap images of interstellar object 3I/ATLAS as it made its flyby of ...