An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...

The concept of Planet X, or Planet Nine, has captivated astronomers for decades. This hypothetical planet, theorized to be ...

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...

Stargazers will get a peek at what's been called a "parade of planets," when up to seven planets may appear to line up.

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

In our solar system, Earth is one of only three worlds that sees temperatures above 32 degrees Fahrenheit, while other ...

In the distant space out beyond the orbit of Jupiter lurks a strange object. Its name is Chiron, a type of outer Solar System body known as a centaur. But even among its fellow centaurs, Chiron is ...

Jupiter, Mars, Venus and Saturn are all visible with the naked eye in our night skies right now - here's where to look to see ...

UCF researchers utilized the James Webb Space Telescope to uncover unique characteristics of (2060) Chiron, a distant ...

"We were definitely surprised by the 'kiss' part of kiss-and-capture. There hasn't really been a kind of impact before where ...

We are in store for an unusual celestial treat in January when six planets line up in the night sky across Texas.

As New Year's Day dawns, the bells ring out from the steeples of old London town. The peals of celebration travel ...