Nearly two dozen impact craters known to occur during this time were all within 30 degrees of Earth’s equator, signaling that the meteoroids may have rained down from a rocky ring around the ...

The circumference (distance around the largest part of the Earth) is roughly 24,898 miles (40,070 kilometers), according to NASA. (This area is also called the equator.) If you estimate that a day ...

Immense glaciers once covered the entire Earth, reaching even the equator, geologists have confirmed. The discovery that this also applied in the center of continents, where conditions would have ...

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 ...

Stand on the equator and you'll be moving at 1,670 kilometers per hour — faster than the speed of sound! That's how quickly Earth rotates on its axis, from West to East. And that rotation is ...

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 ...

One of this month's skywatching highlights is a total lunar eclipse on the night of March 13 — or more precisely, on the morning of the 14th when the Earth gets between the moon and the sun, and we ...