This weekend, six planets are set to share the sky in a rare “planet parade,” giving stargazers a short but magical window to ...

NASA is edging toward a once‑in‑a‑generation journey to the solar system’s ice giants, a twin push to Uranus and Neptune that ...

Astronomers are closing in on what looks like a colossal missing piece of the Solar System, a giant planet that appears to ...

Based on their models, the UZH astrophysicists concluded that the interiors of Uranus and Neptune could have a wide range of ...

Jupiter, Mercury, Neptune, Saturn, Uranus, and Venus—will appear in the sky together in a special planet parade on Feb. 28.

Every once in a while, the mechanics of our solar system grant Earth and its residents a better-than-average view, as is the ...

A passing star, or a stellar flyby, with the potential to pull Neptune out of its orbit by just 0.1%, could mean catastrophe for the entire solar system. But don’t worry — it won’t happen in our ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

A planet parade is basically the nickname given when the planets in our solar system appear to line up in a roughly straight line from the Earth’s perspective. Just after sunset on 28 February, six of ...