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

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

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

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

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities.

In February 2025, a stunning planetary alignment–also known as the planet parade–allowed observers to see seven planets in the night sky simultaneously: Mercury, Venus, Mars, Jupiter, Saturn, Uranus, ...

Prior to flybys, scientists used mathematical laws and observation to determine the characteristics of the planets.

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

Penn State astronomers are using data from NASA’s James Webb Space Telescope, combined with theoretical models, to ...

You will be able to see the following planets during the planetary parade: Mercury - Visible to the naked eye, but binoculars ...