Webb Telescope finds crystalline water ice around star HD 181327. This discovery could reveal how icy bodies contribute to ...
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
The icy solar system comet C/2024 E1 (Wierzchos) is set to make its closest pass of Earth tomorrow (Feb. 17), an event known to astronomers as perigee. But your ability to see the ancient wanderer ...
A new study analyzes three asteroid and two meteorite samples to see if space rocks smacking into Earth could’ve helped kickstart life.
Mercury is the smallest planet in our solar system. Explore its size, extreme temperatures, core structure, and comparison with Pluto.
Their observations of a faint, cool M-dwarf star called LHS 1903 revealed a system with a rocky world at its outer edge. LHS ...
A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...