Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

Researchers uncover how Mars affects Earth’s orbit, offering new insight into the planetary forces behind ice ages.

In theory, a planet may be able to orbit a binary star system in a figure of eight, but it may not be particularly stable, ...

The earth (and humanity) would be very different without our smaller red neighbor. In A Nutshell Computer simulations show ...

There could be a ninth planet in our Solar System after all - and no, it's not Pluto. Instead, it's the theoretical Planet X, also called Planet Nine, a wide-orbit planet that would circle the Sun ...

China’s Xuntian space telescope completed a full performance simulation, confirming operational readiness for its planned ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...