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

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, ...

Mark your calendar so you can catch Mercury, Venus, Jupiter, Saturn, Neptune and Uranus in the sky at the same time.

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

David Boreanaz recalls Betty White shocking him with a risqué comment when they met on “Bones” Fed officials see inflation ...

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

NASA’s James Webb Space Telescope finds TRAPPIST-1 d lacks an Earth-like atmosphere, narrowing the search for habitable planets.

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

Reaching the darkest depths of the sea was important because of how scientists, including Campbell, believe that life may ...