NASA spotted something moving in one of the moons of Jupiter. Some natural satellites have similar structures to the Earth, and this one is very intriguing.

Jupiter, the giant of our Solar System, remains one of the most fascinating and mysterious planets to explore. With its ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Lake Effect astronomy contributor Jean Creighton shares some myths behind some of our solar system’s most famous moons and ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian ...

This gas giant has some really unique features that make it stand out. If you’re curious about space, learning a few things ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about geologically active moons.