#Solar

Recent severe weather and reports on climate targets have brought more people here seeking reassurance about our efforts to address climate change. Please use this weekly thread for those discussions.…

Astronomers spotted a mysterious icy object billions of miles from the Sun that could be our solar system's newest dwarf planet.

The outer solar system will descend into chaos just a few billion years after the sun exhausts its fuel ‪—‬ much sooner than scientists previously thought, a new study suggests.

The Vera Rubin Observatory is shedding new light on the faraway regions by Neptune and beyond, including possible solar system building blocks.

The newly discovered object, 2026 ED138, could be among the largest worlds ever found past Neptune. If confirmed, it would be the sixth dwarf planet recognized in our solar system.