The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

The European Space Agency (ESA) has officially retired its Gaia spacecraft, after over ten years of data collection on our ...

The European Space Agency (ESA) has powered down its Gaia spacecraft after more than a decade spent gathering data that are ...

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 ...