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

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 ...

Half a dozen planets - Mercury, Venus, Jupiter, Saturn, Uranus and Neptune - will put on a dazzling display in the sky on ...

Gov. Newsom reacts to Bed Bath & Beyond's refusal to open stores in California Part of Delta Boeing 737’s wing breaks off ...

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

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

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

Skywatchers who saw the Venus-Jupiter conjunction saw the start of an upcoming "planet parade" in the eastern sky. Here's ...

Our sun is about five times less magnetically active than other sunlike stars—effectively a special case. The reason for this ...