A recently discovered celestial body is rewriting our knowledge of the Kuiper Belt and maybe challenging the existence of the ...

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

The first observations of Pluto by NASA’s James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like ...

Exploitation of the high seas risks doing irreversible damage to biodiversity, climate stability and ocean equity. A consensus must be built now to save them.