A rare August morning alignment brings Mercury, a thin crescent moon and the Beehive Cluster together in the predawn sky.

Look to the east slightly ahead of dawn on Sept. 2 to catch a fleeting glimpse of fleet-footed Mercury alongside the bright star Regulus, before it becomes lost in the light of the rising sun. Want to ...

The new book "Gemini and Mercury Remastered" features iconic images from the earliest days of human space exploration ...

A "deeply personal" set of images filmed by NASA astronauts which includes the first ever selfie taken in space has been ...

“Using newer mathematical tools, my colleague and I have demonstrated a new theory that may accurately describe the universe.

On March 24, 1961, NASA's Mercury Redstone rocket launched on its last uncrewed flight before it started sending astronauts into space. The mission was known as the Mercury Redstone Booster ...

Bestselling author Andy Saunders restores iconic NASA photos, offering a vivid, “you-are-there” look at early American space ...