SETI scientists suggest that extraterrestrial civilizations could detect Earth through 'technosignatures' like planetary radar and atmospheric emissions. These indicators of human technology and ...

This traditional model suggests that the evolution of intelligent life is a highly improbable event. A groundbreaking study has suggested that intelligent life may be a common outcome on planets ...

These would have arrived on Earth from elsewhere ... to exist in remnant form. The second are hominid or theropod ...

"Earth-Human Connections" presents a compelling voyage across the annals of our planet, tracing a path from its very inception through eons to the advent of humanity. Along this journey, we witness ...

Earth's widening equator is having a similar effect on its spin. "To me, the fact that human beings have caused the rotation of the Earth to change is kind of amazing," Agnew told CNN. Perhaps you ...

Humans annually absorb 42 percent of the Earth’s terrestrial net primary productivity,30 percent of its marine net primary productivity, and 50 percent of its fresh water [3]. Forty percent of the ...