The third known visitor from interstellar space, comet 3I/ATLAS, is putting on a show that plays out in high‑energy light instead of visible fireworks. As it barrels through the inner solar system, ...

3I/ATLAS likely weighs more than 33 billion tons. The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A ...

Humanity has explored the Moon and sent robots to Mars, but the Solar System is just our cradle. What happens when we decide ...

A brand-new group of frozen objects, orbiting the sun out beyond the distant Kuiper Belt, has been spotted by the Subaru telescope, working with NASA's New Horizons mission to find new targets for the ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida Tech graduate, she leaves with not only a dual degree in planetary science ...

An interstellar comet named 3I/ATLAS, originating from outside our solar system, is passing through. NASA recently released new images of the comet, which is being studied by astronomers worldwide.

Discovery: On July 2, 2025, astronomers confirmed Comet 3I/ATLAS, marking only the third interstellar object (ISO) ever detected passing through our Solar System, after 1I/ʻOumuamua (2017) and ...