"The pace of change we’re seeing today is unlike anything we know of in the past 66 million years," said ecologist Jack ...

Have you ever wondered what the world would be like if everyone suddenly disappeared? What would happen to all our stuff? What would happen to our houses, our schools, our neighborhoods, our cities?

Evolution of beings is complex. For thousands of years, a species roamed the Earth alongside our ancestors. They used to hunt, create tools, and even left behind the traces of their DNA in modern ...