The James Webb Space Telescope has caught a distant world in the act of falling apart, its outer layers peeling away into space as a vast cloud of helium. The planet, a so‑called “super‑puff” with the ...

Far beyond Neptune, something heavy appears to be tugging on the outer solar system, bending the paths of distant icy worlds in ways gravity alone should be able to explain. Planet 9, still invisible ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

HOUSTON — Is it time to go back to Neptune? Scientists representing NASA’s Jet Propulsion Laboratory proposed a spacecraft and mission Tuesday at the Lunar and Planetary Science Conference in Texas ...

Saturn points the way to Neptune all through the month of January, offering an easy way to spot the solar system’s most distant planet. The best time to view these distant worlds is early in the ...