When you buy through links on our articles, Future and its syndication partners may earn a commission. Artwork depicting how water, both regular and heavy, comes from giant molecular clouds and is ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

Astronomers studying a dim red dwarf star called LHS 1903 have found a four-planet system with an architecture that defies the standard rules of how rocky worlds take shape. The outermost planet in ...

Artist impression of the planetary system with four planets,around a small red star,called LHS1903. Caption: Astronomers have long thought solar systems follow a simple pattern similar to our own: ...

Many of the most interesting bodies in our Solar System aren’t planets, but the moons that orbit them. They have active volcanoes, hydrocarbon oceans, geysers, and moon-wide oceans buried under icy ...

Six planets will line up in a rare "planetary parade" this month - but spotting them all won't be easy.

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

Webb Telescope finds crystalline water ice around star HD 181327. This discovery could reveal how icy bodies contribute to ...

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.