Following is a transcript of the video. Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy.

Opal is not a common name ... How I went from being apolitical to working in the White House In September 2014, when I was a senior in college, I got an email saying I’d been taken off the ...

The Love Lock features three different languages (the Roman alphabet, Victorian symbols, and Braille), all sharing the same ...

When they reach the end of their long evolutions, smaller stars—those up to eight times as massive as our own sun—typically become white dwarfs. These ancient stars are incredibly dense.

The couple had tied the knot a year prior, in 1968—and a year before that, Polanski had given her a large, oblong, opal ...

And when Biden's successor takes office next year, the full-scale replica Oval Office at “ The People's House: A White House ...

Dobrev, 35, announced her engagement with White, 38, on Wednesday, October 30, via Instagram. In the social media post, fans ...

What is the white-backed vulture? The white-backed vulture is the most common and widespread vulture in sub-Saharan Africa. It is recognizable by its dark-brown face, long, white neck, and of ...

Kennedy Jr. as a toddler, playing under the Resolute Desk in the Oval Office while his father directs the affairs of government. That changed last week, when the White House Historical Association ...

As one of our resident wardrobe-basics experts, I’ve learned that a good white T-shirt is easy to find, but a truly great one — one that hits the marks on comfort and durability as well as ...

Katherine Haan is a small business owner with nearly two decades of experience helping other business owners increase their incomes. Katherine Haan is a small business owner with nearly two ...