A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be another nail in the coffin for the Planet Nine hypothesis.

Astronomers have found 2023 KQ14, nicknamed Ammonite, a rare Sednoid with a unique orbit that challenges the Planet Nine hypothesis.

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the ...

The origins of life may be rooted in outer space, according to a new study. Astronomers have discovered signs of complex ...

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar ...

Finding an exoplanet in a star’s habitable zone always generates interest. Each of these planets has a chance, even if it’s ...

A fifth planet has been detected within the habitable zone of a neighboring star, where conditions could perhaps support ...