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.

Here's today's horoscope from the Canary - helping guide you through life, with a daily dose of musings for our readers ...

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

HUMANS have been searching for aliens for decades – but all this time, intelligent extraterrestrial life could have found us, ...

Once a realm of imagination and stargazing, the Solar System has now been revealed in stunning clarity through decades of ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Once again, Elon Musk is front-page news across the world - but this time, the disruption is not about electric cars or space travel. It is about American politics. After months of visible friction ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

EARTH is set to have three unexpectedly shorter than average days in the coming weeks – and it’s taken scientists by surprise ...

TWO new stars have suddenly appeared in the night sky, caused by some of the most powerful explosions in the universe. Two ...

The solar wind pushes some of the gas and dust away from the comet, forming those beautiful tails we see. A comet actually ...