Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...

There are thousands upon thousands of questions related to the topic of astronomy, from the basics of the science to the ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an ...

Scientists have found the highest-energy cosmic neutrino called a "ghost particle" at the bottom of the Mediterranean Sea ...

Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy ...