Seeing the Invisible: A Short History of the Scientific Evidence of Dark Matter

About 85% of all matter in the universe consists of a mysterious, invisible, and as-of-yet unidentified substance dubbed “dark matter.” Everything you have ever touched, seen, or tasted; the air you breathe; the ground on which you stand; and the constituents of your body all consist of a type of matter that is only a[…]

After a Decade of Commercial Space Travel, What’s Next?

It has been 10 years since Elon Musk’s SpaceX launched the commercial space age. What hurdles must be overcome before private companies begin exploring, colonizing and mining other planets? In many industries, a decade is barely enough time to cause dramatic change unless something disruptive comes along – a new technology, business model or service[…]

Was Sputnik Really the Beginning of the Space Age?

America had completed a series of successful launches into space and achieved many firsts well before Sputnik. Although you will often hear the notion that the space age began in 1957 with the launching of the Soviet-made artificial satellite known as Sputnik, the actual historical record is not so simple. While it is certainly correct[…]