The interstellar object 3I/ATLAS has been something of a mystery ever since it graced our solar system. From all outward ...

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

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

For millions of years, a frozen traveler drifted in silence through the stars, carrying secrets from another world. This ...

"Though our Mars orbiters continue to make impressive contributions to Mars science, it's always extra exciting to see them ...

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

Some researchers believe its unusual trajectory and composition could hint at artificial design, echoing debates that began ...

The Earth will soon finally learn the truth about 3I/ATLAS after months of mothership rumors and speculation about advanced ...

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

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

Harvard professor Avi Loeb claims 3I/ATLAS could be an alien spacecraft. Arizona State University professor Steven Desch is ...

The European Space Agency's ExoMars orbiter has captured the closest view yet of the interstellar comet 3I/ATLAS. The images ...