The six planets sharing the sky will be Mercury, Venus, Jupiter, Saturn, Neptune and Uranus. Mars will technically be there ...

But it’s not just looks. Rocky composition, general size, orbital behaviors—a lot of those qualities can be the same on both ...

These linkups happen when several planets appear to line up in the night sky at once. Such parades are fairly common, ...

How do tidal forces shape a planet's orbital evolution, especially for those in the habitable zone? A recently submitted ...

Researchers suggest gas giants might gather dark matter until their cores collapse into planet-sized black holes.

Stargazers are excited as a rare planet parade is expected to happen this weekend bringing some of the main characters of our ...

A planetary parade of six planets is visible in the morning sky through August 20, with Mercury joining Venus, Jupiter, ...

In recent years, JWST has revealed a fascinating class of never-before-seen objects, just hanging out in crowded, nebular ...

A two-hour drive from Yakima to The Dalles, Oregon offers Greek pastries, stargazing, exotic animals, historic landmarks and ...

In a new study, researchers at Penn State and NASA’s Jet Propulsion Laboratory analyzed when and where human deep space ...