Learn about the plane-sized asteroid that will pass by Earth the week of July 28, 2025, and find out how astronauts can track ...

Learn more about a sednoid called Ammonite that has been detected in the outer reaches of the Solar System.

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

The interstellar object has been named 3I/Atlas by the International Astronomical Union’s Minor Planet Center.

The International Astronomical Union's Minor Planet Center quickly added the intriguing object to its list of confirmed near-Earth objects. So did NASA and its Jet Propulsion Laboratory. Soon, more ...

New findings about interstellar comet 3I/ATLAS reveal its surprising size, possible thick disk origin, and what makes it unlike any other ISO ...

The NSF-DOE Rubin Observatory has officially begun its journey to map the universe, and it started with a remarkable feat: ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

Beyond Neptune, a smaller 'ninth' planet has been identified in the Kuiper Belt.

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ever spotted, though scientists suspect many more may slip past ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system. Preliminary observations suggest it came from interstellar space, and if confirmed, ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system. If confirmed, it will be the third interstellar visitor ever spotted.