After more than a decade mapping out our home galaxy, the Gaia space telescope was powered down and sent into "retirement ...

In January, the European Space Agency (ESA) shut down Gaia's science operations, as the spacecraft's fuel reserves were ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

If you're in the market for top astronomy gear, the best stargazing apps will help you, but you might also want to check out our pages for the best telescopes, best telescopes for deep space and ...

The SpaceX Crew Dragon spacecraft undocked early this morning from the International Space Station, and is expected to ...

This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, ...