From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that ...

The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...

Blue Ghost just sent back amazing photos of last night's "Blood Moon" total lunar eclipse from its perch in Mare Crisium, or ...

"The Mediterranean Blue" will be auctioned by Sotheby’s this Spring in Geneva with a classification representing less than ...

“Any vivid blue diamond is a discovery worth celebrating, but one of this size and depth of color is a rare event,” said Quig Bruning, Sotheby’s Head of Jewelry for the Americas & EMEA.

The image showcases the rare ‘diamond ring’ effect—a celestial phenomenon created when sunlight streams through lunar valleys ...

Firefly's Blue Ghost witnessed Earth blocking out the Sun from its point of view on the Moon, while we experienced a lunar ...

Blue Ghost is a compact yet sturdy four-legged lander designed for extra stability. (X/Firefly_Space) {{^userSubscribed}} The image showcases the rare ‘diamond ring’ effect—a celestial ...