If humans went extinct, what would the Earth look like one ... have been dealt with in various ways when humans existed. ... highways that never rust can last for centuries. Humans live ...

In Doctor Who, an alien species called the Silurians exists – technologically-advanced humanoid reptiles who lived long before humans, going into hiding and being basically undiscovered again ...

If humans just disappeared from the world, and you could come back to Earth to see what had happened one year later, the first thing you’d notice wouldn’t be with your eyes. It would be with ...

What if Humans Are Not Earth's First Civilization? Season 9 Episode 32 ... Some of the long-lived synthetic chemicals really have no known natural source, like some of these industrial fluorides.

The Silurian hypothesis asks whether it might be possible to find evidence of a pre-human industrial civilization in Earth’s geologic record—even one that might have existed millions of years ago.

Humans have etched their impact on the Earth with such strength and permanence since the middle of the 20th century that scientists says a new geologic epoch began then. Called the Anthropocene ...

On Nov. 15, the Earth became home to a record eight billion human beings. Despite declining birthrates, the number is forecast to peak at 10.4 billion in the coming decades, in large part because ...

If humans just disappeared from the world, and you could come back to Earth to see what had happened one year later, the first thing you’d notice wouldn’t be with your eyes. It would be with your ears ...