The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

The telescope also sees their "parallax" - their apparent looping behaviour, which is a function of Earth and Gaia changing their vantage point as they circle the Sun (It is the parallaxes that ...

Europe's leading space telescope is running low on fuel and will collect data for the last time on Wednesday. The research ...

we can use the parallax angle to work out the distance to the target star But such angles are very small - less than one arcsecond for the nearest stars, or 0.05% of the full Moon's diameter Gaia ...