Looked at another way, if one were to measure our planet's age as a single 24-hour day, the first human civilizations would ... explore the history of life on Earth as we know it today, from ...

What species will become the next rulers of Earth when humans are no longer dominant? Which creatures might inherit the throne?

"Humans are the only example we know of, and our industrial civilization has lasted (so ... of the time that complex life has existed on the Earth's land surface." "This short time period raises ...

According to a thought-provoking paper by renowned systems theorist Dr. Nafeez Ahmed, human civilization may be ... food and knowledge without hurting the earth,” Ahmed says in a statement.

Replacing great historical bosses like Gandhi and Elizabeth I, we have a panel of fictitious human ... a first colony and try to gain some sense of how Civilization: Beyond Earth, due to be ...

If extraterrestrial civilizations exist with technology similar to ours, could they detect Earth? A team of SETI researchers ...