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 space carrying extraordinary amounts of energy, arriving from distant corners ...

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 ...