A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

The third object known to have entered the Solar System from interstellar space has an origin unlike either of its ...

Jun 04, 2025: Millions of new solar system objects to be found and 'filmed in technicolor' - studies predict A group of astronomers from across the globe have revealed new research showing that ...

The technical challenge here cannot be overstated. The reflected sunlight from such a distant object drops off as the fourth power of distance, making 2017 OF201 visible for only about 0.5% of its ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

In a distant corner of our solar system called the Kuiper Belt, icy bodies lurk in the darkness, orbiting our sun at vast distances. These ancient minor planets are called trans-Neptunian ...

Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago.