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

SpaceX has launched over 7,000 low earth satellites that have disrupted astronomical observations. Another 70,000 LEO ...

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 ...

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