T here are multiple theories that explain the origin of life on Earth, but one of the most disputed ones was proposed in 1953 ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed.

But with talk of future space colonies and cities on Mars, there's a good chance that one day humans will give birth somewhere beyond Earth, and that brings up some interesting questions.

To understand the fascinating mechanics of the collision of India with Asia we must first look beneath the Earth's surface. The continents are carried by the Earth's tectonic plates like people on ...

Scientists discover Earth may have huge quantities of helium trapped in its core after finding it can mix with iron under extreme heat and pressure. . | Credit: Yuri_Arcurs via Getty Images ...