This feat of solar geoengineering — via the deliberate release of small particles in the atmosphere — is known as ...

Sparkling diamonds and verdant emeralds are some of the most coveted and priciest gemstones. But which precious stones are ...

Perched above 10th Avenue, a hyper-realistic pigeon stops to rest in the outdoor pavilion. The work of artist Iván Argote ( ...

But spraying millions of tonnes of diamonds into the sky could finally be the solution to global warming that we've been ...

Have you ever seen an over 9,000 carat gemstone in person before? It's certainly not something you can wear on your finger ...