Felton Davis offered thousands of strangers a close-up view of the Moon and planets orbiting New York City. Now he’s passing ...

Friday, July 4 Mercury reaches its greatest eastern elongation from the Sun, standing 26° from our star at 1 A.M. EDT. We’ll ...

The star Polaris marks the North Celestial Pole in our sky, around which all other objects in the heavens appear to rotate.

Sweeping views of nebulae and dancing galaxies prove the telescope’s enormous field of view and ultra-high-res capabilities.

The Axiom Mission 4 launch sent an international crew to the ISS, advancing commercial spaceflight and preparing for the ...