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.

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

The path of totality will carve an arc of darkness across the surface of our planet – at the height of the August tourist ...

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

The author of Gemini: Stepping Stone to the Moon, The Untold Story talks about his new book.

Wolves, strawberries and sturgeon may not seem connected at first glance, but each one represents a specific full moon tied ...

Embark on a thrilling journey through our Solar System, exploring the inner planets and space travel possibilities. We start with an introduction to the incredible potential of space travel and how ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

Wu Fuyuan, an academician of the CAS and a corresponding author of the study, said the moon displays an asymmetry between its ...

Get ready for a blink-and-you'll-miss-it moment this July 9th, as our planet is poised to experience one of the shortest days ...

Atomic clocks — among the most precise instruments humans have ever built — have been keeping track of Earth’s spin since the ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...