For decades, Uranus and Neptune have been filed neatly into the “ice giant” drawer, shorthand for worlds built mostly from ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to reveal that these planets could just as easily be dominated by rock as by ...

The planets in the Solar System are typically divided into three categories based on their composition: the four terrestrial rocky planets (Mercury, Venus, Earth and Mars), followed by the two gas ...

Astronomers have discovered a bizarre object in the outer solar system, 2020 VN40, that dances to Neptune’s gravitational beat in a never-before-seen rhythm. It’s the first of its kind, orbiting the ...

Astronomers using the powerful eye of the James Webb Space Telescope have spotted a previously unknown moon whirling around Uranus, according to NASA. The discovery boosts the number of moons known to ...

Observing the planets is one of the most awe-inspiring ways to witness the magic of the night sky—and there’s no better way to view them than in a planetary alignment. This is where multiple planets ...

NASA released Sept. 21 an image of Neptune taken by the James Webb Space Telescope, showing storms in the planet's atmosphere and its ring system. Credit: NASA, ESA, CSA, STScI HELSINKI — Scientists ...