From vibrant star-forming nebulae to supernova explosions, check out these 7 astonishing images of deep space shared by NASA.

The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside our galaxy.

A new computational method gleans more information than its predecessors from maps showing how galaxies are clustered and threaded throughout the universe.

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.