We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

On Thursday 27 March, the European Space Agency (ESA) sent its last messages to the Gaia Spacecraft. They told Gaia to shut ...

Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...

The Small Magellanic Cloud, a dwarf galaxy about 200,000 light-years from the solar system, can be seen with the naked eye ...