Our solar system’s third discovered interstellar visitor, comet 3I/Atlas, will dip into the glare of the Sun this week, ...

Dark comets are a unique type of cosmic object. While they may look like asteroids, they are actually comets with unusual ...

A supermoon will hang in the night sky bigger and brighter than usual during its perigee, and a great time to head outside to ...

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

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a ...

Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be ...

New data from the International Gemini Observatory revealed the object has grown in its estimated size, with it now weighing ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system.

Comet SWAN isn't the biggest or brightest comet that can be seen from Earth, but it could be the last one until Halley's ...

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 ...

Despite their vastly different origins and paths through space, from Earth they appeared side-by-side, creating a rare visual ...