Astronomers are closing in on what looks like a colossal missing piece of the Solar System, a giant planet that appears to ...

Inside the cores of ice giant planets, the pressure and temperature are so extreme that the water residing there transitions ...

Based on their models, the UZH astrophysicists concluded that the interiors of Uranus and Neptune could have a wide range of ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four massive but extremely low-density worlds orbiting the star appear to be ...

Neptune was supposed to be the quiet, distant ice giant, a cold blue marble barely warmed by the Sun. Instead, the James Webb ...

The solar system's two largest planets adorn the evening sky this month, while the smaller inner planets linger near the Sun and remain mostly out of sight. You'll want to make Saturn your first ...

Scientists suggest superionic “hot black ice” deep inside Neptune may explain its tilted, offset and chaotic magnetic field, ...

"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link." ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

Mercury, Venus, and Saturn put on an early-evening display in the west, while Jupiter dominates the rest of the night.

When people speak of the northern lights, they are typically referring to Earth’s spectacular display of aurora borealis: ...

Jupiter and Saturn host strikingly different polar storms, despite being similar giant planets, and scientists have long wondered why. New simulations suggest the answer may lie deep below the clouds.