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 ...

NASA's Voyager 2 spacecraft made its closest approach to Jupiter. It came within 354,000 miles (570,000 kilometers) of the ...

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...

The solar system’s largest planet return to the sky on Wednesday, July 9, beginning Jupiter’s slow rise to prominence.

NASA’s Transiting Exoplanet Survey Satellite (TESS) has made yet another exciting discovery—but it never works alone. Thanks ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

What color is moonlight typically, and what other colors can moonlight look like from our perspective on Earth?

Mount Everest may be the tallest mountain on Earth, but it's nothing compared to the towering giants scattered across our ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...