One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

Stargazers in the U.S. will find the slender form of the crescent moon roughly 20 degrees above the western horizon right at ...

Skywatchers can catch a rare conjunction of the moon and Mars on June 29, appearing as a reddish "cherry" near a crescent ...

Pluto will reach its closest approach to Earth and align opposite the Sun on July 25, appearing slightly brighter (magnitude ...

If successful on Artemis II, the tech could beam 4K video and rich data back to Earth at record speed, proving deep-space ...

On June 29, 2025, a unique celestial event involving a star, Mars and our moon will be visible from London at 22:15 BST.

Regulus is a bright blue star in the constellation Leo, which is often called the 'lion's heart'. It regularly appears close ...

The globular cluster Messier 22 (M22) reaches its highest point in the sky around midnight local time, specifically for ...