Our deepest look into space so far is the 10-day exposure by this telescope, called the Hubble Deep Field, that is celebrated in the first of the three "Mysteries of Deep Space" programs.

It was the deepest portrait of the universe ever taken at the time. The snapshot, dubbed the Hubble Deep Field contained thousands of nearby and distant galaxies. The image represents only a tiny ...

The First Spacewalk (1965): This iconic photo of Ed White floating freely during NASA’s Gemini 4 mission captured America’s first-ever spacewalk. It showed the world that humans could survive and move ...

This year’s installment on March 25 features Bob Williams, a scientist who was at the center of creating the Hubble Deep Space image. At the time Williams was director of the Space Telescope ...

Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...

A ground-based image of the galaxy cluster. Credit: NASA, ESA and Digitized Sky Surv The first Hubble deep field is still one of the best space photos ever taken (and this space reporter's ...