International Rock Day is observed every year on July 13 to recognise the natural wonders of rocks and stones and their ...

The satellite covers a distance of 3 km per second, and the first part of the flight lasts 3 minutes and 42 seconds.

Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

Rare earth elements are a family of 17 metallic elements with unusual properties that make them useful for specific applications.

Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on earth.

IAF pilot almost emergency landed in Tehran over fuel malfunction • Hamas likely to step up efforts to kidnap IDF troops • ...