The findings suggest Earth’s geological story was partly written in the stars – specifically, in the spiral arms of our home ...

At a busy street crossing, people wait for the signal to change. When one person steps out first, others soon follow. Scientists in Amsterdam have found that this same kind of behavior happens at a ...

Just when things couldn't get any crazier in the US, scientists have discovered that the underside of the Earth's crust is dripping molten lava inside the planet. The hot lava is thought to be ...

All the activity on Earth’s surface — erupting volcanoes, shifting tectonic plates, restless seas and myriad forms of life — depends on the two-part engine under the hood. Directly beneath Earth’s ...