Astronomers have discovered "Ammonite," a mysterious object on the solar system’s edge whose unusual orbit challenges current theories about a hypothetical ninth planet.
In the dark, icy outskirts of our solar system—far beyond Neptune’s orbit—astronomers have discovered a cosmic oddball that appears to be locked in an unusual gravitational dance with the eighth planet. The object, dubbed 2020 VN40, is the first ever...
The widely anticipated first images collected by the Vera C. Rubin Observatory have been released, offering nothing short of an awe-inspiring view of the cosmos.