Look west at sunset to find the razor-thin crescent moon hanging less than 10 degrees above the horizon. Regulus will appear ...

The crescent moon will be visible 20 degrees above the western horizon at sunset on July 28, with Mars appearing as a bright point of light roughly four degrees to its upper right. Both Mars and the ...

The Solar Dynamics Observatory saw a lunar transit and an Earth eclipse on July 25 — the first when the moon passed between it and the sun, and another when Earth did the same.