How long is a day on the Moon? How wide are Saturn's rings? Find out with this visual tour through our solar system's most fascinating features. In contrast, the planets furthest from our sun - ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun on Jan. 15. It will be visible all night long because it will rise with the ...

During late January and into February, six planets are moving in their orbits into our southern sky, visible each evening.

There may be an undiscovered planet in the outer solar system whose presence is revealed by the strange orbit of objects beyond the eighth planet Neptune. The tantalizing prospect of a ninth ...

The James Webb Space Telescope (JWST) has delivered a groundbreaking view of the early solar system, focusing on icy celestial bodies such as trans-Neptunian objects (TNOs) and centaurs.

These worlds are explored in his new series Solar System, computer graphics bridging the gap between observations conducted ...