A top a mountain in Chile, where the days are dry and nights are clear, a team of scientists and engineers is preparing for ...

Hubble Space Telescope imagery created an HD look at the gas giant planet Jupiter. Credit: NASA Goddard Space Flight Center ...

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious ...

Some of these open clusters are pretty famous, such as the Pleiades cluster, also known as the Seven Sisters. This is ...

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.