New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

Astronomers have uncovered a link between Neptune's shifting cloud abundance and the 11-year solar cycle, in which the waxing and waning of the Sun's entangled magnetic fields drives solar activity.

Point a laser at the planet Neptune tonight and it'll take 4 hours for the beam to arrive. For light itself, the fastest thing in the universe, to need so much time to get there, you'd guess the ...

New photos of Neptune’s glowing auroras are the most detailed ever captured by NASA’s James Webb Space Telescope – but has also left astronomers with more questions. Auroras can happen on any planet, ...

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory. Far from the Sun, and Earth, the sky-blue planet Neptune has been captured shimmering ...

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