YZ9 is set to approach Earth on 6 January. The asteroid is about 100 feet wide, similar to a large aircraft. It will travel at 19,091 miles per hour. At its closest, ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

Russia and other hostile states have become increasingly brazen in adopting “gray zone” attacks against Europe and the United States, leaving defense officials with a dilemma: How to respond ...

Beauty was extremely important in ancient Greece and not just for women but for men, as well. As admirers of beauty, ancient Greeks placed great emphasis on healthy skin, and, naturally, they ...