AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

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.

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 ...

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 ...

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

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it ...

Venus moves east as July progresses and stands 3° due north of Aldebaran on the 14th, after skirting the northern regions of ...