A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be ...

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

Two days this summer have been unusually short, with the shortest expected on Aug. 5, leading global timekeepers to consider ...

You’d think we’d have the solar system pretty well figured out by now. It’s our own cosmic backyard, after all. […] ...