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, ...

Jupiter, Mercury, Neptune, Saturn, Uranus and Venus will be visible in the early morning skies over America from Sunday, Aug. 17, to Wednesday, Aug. 20. FOX 5's Liv Johnson reports.

What is the difference between a moon and a planet?Trick question! According to scientific definitions, there often isn’t much of a difference at all. That might seem counterintuitive, but it’s true.

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

A new study published in The Astronomical Journal has revealed an astonishing possibility: free-floating planets, long ...

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

Reaching the darkest depths of the sea was important because of how scientists, including Campbell, believe that life may exist below the icy surface of seas on other planets. In recent years, experts ...

Penn State astronomers are using data from NASA’s James Webb Space Telescope, combined with theoretical models, to investigate a distant, radiation-bathed protoplanetary disk. The basic ingredients ...

Six planets will be visible in our skies for the next few days in the last “planetary parade” of 2025. Jupiter, Mercury, ...