A new model that incorporates data gathered by the JWST could help scientists understand the composition and mass of objects ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects. A surprising chemical difference between Pluto and Sedna, another dwarf ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

The James Webb Space Telescope has directly observed ... carbon dioxide and hydrogen peroxide on the surface of Charon, Pluto's largest moon. Balmer hopes to use Webb to observe more four-planet ...

After more than a decade of mapping the stars, the European spacecraft will shut down on Thursday. But its legacy lives on.

UK's Pulsar Fusion reveals Sunbird, a nuclear fusion rocket promising to cut Mars travel time in half. Could this be the ...

This comes shortly after the agency was told to get ready to lay off 1,000 employees. That threat was removed, possibly at the behest of the incoming Administrator Jared Isaacman. Still, according to ...

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...