Add Yahoo as a preferred source to see more of our stories on Google. Our solar system is mostly arranged along one plane in space, as in this not-to-scale artist's diagram. NASA/JPL, CC BY If you’ve ...

The Solar System might not be as quiet and orderly as we think. Imagine one day looking up and seeing something strange in the sky, a small speck that grows larger and larger. Soon, it becomes clear: ...

Meet the surprising, oddball worlds moving around our solar system. From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...

Discover the dramatic forces creating spectacular weather on neighboring planets and moons. Out in the solar system, the weather gets wacky – with globe-spanning dust storms, monsoons of liquid ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

Professor of Earth, Environmental, and Planetary Sciences, University of Tennessee If you’ve seen illustrations or models of the solar system, maybe you noticed that all the planets orbit the Sun in ...