Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Smells hover just ...

It is a doomsday that is foretold in the Mayan calendar, the Chinese oracle of the I Ching - even in an internet-based prophetic software program: December 21, 2012. This History Channel documentary ...

Examining the Seven Wonders of the World and explanations on why they were chosen and what is revealed about the builders who left them behind.

"Volcanic dust, climate change, tsunamis, earthquakes--geoscience explores phenomena that profoundly affect our lives. But more than that, as Doug Macdougall makes clear, the science also provides ...

(CNN) — Smells hover just below our conscious awareness, conjuring up emotions and memories that shape how we perceive and navigate the world. An unexpected whiff of a long-forgotten snack or a dusty ...