Observations with the instrument SPHERE at ESO's Very Large Telescope have produced an unprecedented gallery of "debris disks" in exoplanetary systems.

Amateur astronomers Michael Jäger and Gerald Rhemann used a standard 12-inch telescope and a specialized camera to capture ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up to 153,000 miles per hour.

As interstellar object 3I/ATLAS approaches its closest point to the Sun next month, the mysterious visitor continues to fascinate astronomers. The object, which is broadly believed to be a comet that ...

Eight distant worlds hold secrets that still puzzle scientists and spark endless curiosity. Each moon offers a strange allure ...

3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...