For millions of years, a fragment of ice and dust drifted between the stars—like a sealed bottle cast into the cosmic ocean.

Every once in a while, our solar system receives a fleeting visitor from the depths of our galaxy. On July 1, 2025, NASA’s ...

The interstellar comet 3I/ATLAS does not come from our corner of the Milky Way, and may be a time capsule of the early galaxy ...

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

The new images of interstellar 3I/ATLAS were captured by NASA Perseverance Rover on October 4, 2025 as the mysterious object flew past Martian surface. Since its discovery on July 1, ...

The interstellar comet 3I/ATLAS, racing through our solar system at unprecedented speeds, has ignited a fascinating debate ...

New NASA images of the interstellar object 3I/ATLAS during its closest approach to Mars late last week have erupted in ...

New photos of the mysterious interstellar object 3I/ATLAS taken from Mars have reignited theories that it could be an alien spacecraft.

Astronomers are buzzing over 3I/ATLAS, a mysterious object hurtling through our solar system, and a new theory claims it can ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

The Perseverance rover on Mars imaged 3I/ATLAS with its Right Navigation Camera (Navcam), this image assists both scientific observation and rover navigation across Martian terrain.

Interstellar visitor 3I/ATLAS has been constantly changing as it makes its way through our solar system. That's to be ...