The year 2025 hath arrived — and with it, a fresh batch of cosmic weather to endure and enjoy. Some signs will have it a ...

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there.

To understand what happened to Pluto, we must actually go back to ... showed it to be much smaller than Jupiter, Saturn, Uranus, and Neptune. In many ways it more nearly resembled Triton, a ...

A 6-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...

Six planets will all be visible at once in the night sky this month, lined up across the sky—but one is set to disappear from ...

“Because Pluto is rotating rapidly prior to the collision, and because Charon lies mostly outside of their corotation zone, ...

Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

New Images Reveal What Neptune and Uranus Really Look Like Jan. 4, 2024 — Neptune is fondly known for being a rich blue and Uranus green -- but a new study has revealed that the two ice giants ...

Under the ice: Models for the interior structures of the ice-giant planets Uranus and Neptune have two distinct, intermediate layers: an upper, water-rich convecting layer where disorganized magnetic ...