Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can ...

For more than a century, cosmic rays have remained one of astronomy’s lingering puzzles. These tiny particles move through ...

NASA’s Roman Space Telescope could revolutionize the search for alien worlds by discovering around 100,000 exoplanets—far more than all previous missions combined. It will look deep into unexplored ...

Many of us are old enough to have grown up with the idea of nine planets orbiting the Sun. In 2006, however, a controversial decision in the astronomy community resulted in the official list being cut ...