This hypothesis suggests that Earth was entirely covered in ice hundreds of millions of years ago, reaching as far as the equator. Studies of ancient rock formations in Colorado offer vital clues ...

Once a somewhat fringe theory, it is now widely accepted that Earth had at least two, and possibly more, snowball eras. Yet while it is now accepted the Earth was some 60°C (110°F) colder than ...

NASA scientists have warned that China's Three Gorges Dam, the world's largest hydroelectric power station, has the potential ...

Can you imagine a dam so huge that it can slow down the daily movement of the Earth? Well, there is one. The massive ...

The Equator is a line of latitude that bisects the globe at its widest point, and where the hours of light and darkness are equal throughout the year. The Equator passes through 13 countries ...

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 ...

When one of the poles points more toward the Sun than the other pole, that half of the planet gets more sunlight than the other half, and it’s summer in that hemisphere. When that pole tilts away from ...

Earth Rotation Day is being observed globally today (Wednesday). The day celebrates the rotation of planet earth on its axis ...

Warm air rising from Earth's surface pushes the air mass away from the equator, and releases its moisture as precipitation as it travels pole-ward (Figure 1). If the Earth did not spin on its axis ...