Our readers enjoy getting to grips with this one, pondering everything from what this planet might look like to the various ...

A best-yet measurement of one of general relativity’s most mind-boggling effects is “another feather in Einstein’s cap” ...

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Chinese researchers have captured the first-ever close-up images of the rare “mini-moon” that’s tracing circles around the ...

A Chinese spacecraft on a mission to collect and return samples of a near-Earth asteroid beamed back its first image of its ...

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Two newly identified giant exoplanets are roughly Jupiter-sized, yet their material is so diffuse that each is less dense ...

NASA’s James Webb Space Telescope found methane, aerosols, and a tidal heat signature on WD 1856 b — a Jupiter-sized world ...

James Webb found Neptune's moon Nereid has an unusual icy surface, suggesting it formed alongside the planet instead of being captured later.

Researchers have discovered a planet which, by all intents and purposes, should not be there. The world, coined WD 1856 b, is slightly larger than Jupiter and circles a dead star only about the size ...