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.

The outlook is promising for future long-term monitoring of planets across multiple wavelengths. Infrared imaging data from ...

A galaxy is a massive collection of gas, dust, and huge numbers of stars and their solar systems, all held together by their ...

The goal was to observe some of the oldest elliptical galaxies possible, stretching back into the first 2 billion years of ...

Here's everything we know about the Galaxy Z Fold 7 based on those reports, as Samsung executives take the stage for what we assume is the launch event for another round of foldable phones ...

Galaxies can also contain many multiple star systems, star clusters, and various interstellar clouds. The Sun is one of the stars in the Milky Way galaxy; the Solar System includes the Earth and ...