In October, a newly discovered comet will come so close to Earth that people may be able to make out its heavenly fireworks ...

Comet C/2025 R2 (SWAN) is a new visitor from our outer solar system. It may be easier to see as it approaches Earth next week ...

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

Observers mention Comet SWAN as a small, condensed coma with a faint tail. By mid-October, it will become easier to be visible from northern latitudes, climbing steadily higher in the southwest ...

The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came from another star system entirely. At first, some speculated it could be an ...

Whether you're a budding astronomer or simply love a good celestial show, you don't want to miss a sighting of this newly ...

Comet Lemmon, a potential “comet of the year,” may glow as a bright green comet in October and November 2025. Here’s everything you need to know.