Do you ever stop and question why and how we have evolved to be the way we are? Survival is important to us, so why are we ...

Determining when water first appeared, where, and for how long, are all burning questions that drive Mars exploration.

Prague is home ot many of the most famous landmarks in Europe, such as the Charles Bridge and the clock tower in its old city square. The Guinness Book of World Records named Prague Castle the largest ...

Small clay cylinders from an ancient Syrian tomb have letters etched into them. The 2400-year-old tablets are the oldest ...